Maxto motorcycle helmet headphone group

Buy Maxto Motorcycle Helmet Headphone Group 6 Riders Bluetooth Interphone 1000M Waterproof Hea for R2,482.00

Buy Maxto Motorcycle Helmet Headphone Group 6 Riders Bluetooth Interphone 1000M Waterproof Hea for R2,501.00

Buy Maxto M3 Motorcycle Helmet Intercom bluetooth & WIFI Recorer Group 6 Riders Wal for R2,834.62

Description: T-Rex is a full duplex group intercom bluetooth system, applying humanized design, integrating the cutting edge technology of all similar products and becoming a perfect motorcycle communication system. It can satisfy all kinds of need in your journey, such as wireless dialling, receiving calls, listening to MP3 music, receving GPS voice prompt and connecting with two way radio. The most important is that it can realize group intercom among motorcycle, providing you with convenient communication with your teammates throughout the ride Main Function: 8-way 1500 meters conference intercom Multiple devices connected simultaneously Can be used with FreedConn handle remote control L3 Wired/wireless connection with two way radio Built-in FM radio Φ3.5mm headphone jack 2.5 converted to 3.5mm stereo audio cable Voice prompt Music sharing Usable during recharging Specification: Charging Time: About 3 hours Talk Time: 6 hours of bluetooth intercom, 7 hours of mobile phone Stand-by Time: 1 week Working Distance (Intercom): Up to 1500 meters in open terrain Travel Adaptor: DC 5V 500mA Audio: Microphone Bluetooth Version: 2.1+EDR Frequency: 2.4GHz Optional Adaptor Type: Type 1: EU Adaptor Type 2: US Adaptor Size: 100.8 X 77.2 X 42.7mm Battery Capacity: 500 mA Type: Lithium Polymer Battery Fitment: Suit for motorcycle helmet, bicycle helmet, skiing helemt and so on Manual: Please click here to get the electronic version instructions http://img.banggood.com/file/products/20170330032718T-Rex manual.pdf Package Included: 1 X Bluetooth Device 1 X Universal Clamp 1 X Microphone & Speakers 1 X Screw Driver 1 X Headphone Sticker 1 X USB Cable 1 X 2.5 Converted To 3.5mm Stereo Audio Cable 1 X Manual 1 X Power Adaptor(different chargers for different countries)  

Description: T-Rex is a full duplex group intercom bluetooth system, applying humanized design, integrating the cutting edge technology of all similar products and becoming a perfect motorcycle communication system. It can satisfy all kinds of need in your journey, such as wireless dialling, receiving calls, listening to MP3 music, receving GPS voice prompt and connecting with two way radio. The most important is that it can realize group intercom among motorcycle, providing you with convenient communication with your teammates throughout the ride Main Function: 8-way 1500 meters conference intercom Multiple devices connected simultaneously Can be used with FreedConn handle remote control L3 Wired/wireless connection with two way radio Built-in FM radio ¿3.5mm headphone jack 2.5 converted to 3.5mm stereo audio cable Voice prompt Music sharing Usable during recharging Specification: Charging Time: About 3 hours Talk Time: 6 hours of bluetooth intercom, 7 hours of mobile phone Stand-by Time: 1 week Working Distance (Intercom): Up to 1500 meters in open terrain Travel Adaptor: DC 5V 500mA Audio: Microphone Bluetooth Version: 2.1+EDR Frequency: 2.4GHz Optional Adaptor Type: Type 1: EU Adaptor Type 2: US Adaptor Size: 100.8 X 77.2 X 42.7mm Battery Capacity: 500 mA Type: Lithium Polymer Battery Fitment: Suit for motorcycle helmet, bicycle helmet, skiing helemt and so on Manual: Please click here to get the electronic version instructions Package Included: 1 X Bluetooth Device 1 X Universal Clamp 1 X Microphone & Speakers 1 X Screw Driver 1 X Headphone Sticker 1 X USB Cable 1 X 2.5 Converted To 3.5mm Stereo Audio Cable 1 X Manual 1 X Power Adaptor(different chargers for different countries)

T-Max 1500M 6 Riders Group Motorcycle Helmet Intercom BT Interphone+FM Radio Fo Package weight: 0.33 kg Description: 1. The product is for group intercom, motorcyclists can talk with another within the group, the intercom distance can reach 1500 meters, up to 120km/h working speed. 2. Unlimited number of connection, but 8 headsets connected will be the best situation. 3. 6 riders connected, 8 peoples toggle intercom, 6 riders talking at the same time. 4. Conduct calls on their mobile phone, such as: 1) Receive a cell phone call automatically, auto answering; 2) Call out, call answer, call reject, call hang up; 3) Last number redial & voice dialing; 4) Voice prompt and play music; 5) It can connect two phones at the same time. 6. Automatic switching among bluetooth cell phone, intercom, stereo music. When there is a coming phone call, the playing music or intercom status will be suspended. After finished your diologue, the music or intercom function will be resumed automatically. 7. Enjoy the music through bluetooth enable cell phone/MP3/GPS. (A2DP Stereo Music) The music can be controlled via AVRCP, such as play, pause, previous song, next song played. 8. With DSP echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed in a high speed. 9. Button panel is waterproof and sunproof, while the design is durable. 10. Carrying FM radio function, support audio transfer. Specification: Max. Bluetooth Intercom Range: 1500m Frequency: 2.4 GHZ Size: 88x53x31mm Battery volume: 470mAh Talking Time: 7h of mobile phone 6h of Bluetooth intercom Charging Time: About 2.5h Travel Adaptor: DC 5V 500mA Package Included: 1 X Intercom 1 X USB Cable 4 X Headphone Hook&Loop 1 X Microphone & Speaker 1 X Metal Clamp & Plastic Clamp 1 X Two-Way Radio Control Cable 1 X PTT Button Hook&Loop Tape 1 X User Manual Click here for more deals T-Max 1500M 6 Riders Group Motorcycle Helmet Intercom BT Interphone+FM Radio Fo T-Max 1500M 6 Riders Group Motorcycle Helmet Intercom BT Interphone+FM Radio Fo

Description: You could use T-Rex intercom to satisfy all kinds of needs in your journey, such as wireless dialling, receving calls, listening to Mp3 music, receiving GPS voice prompt and connecting with two way radio.The most important is that it can realize group Intercom among motorcycles, providing you with convenient communication with your teammates throughout the ride. Feature: 1.1500m talkback range, chain-shaped connection with unlimited links, preferably 8 links, can be connected with multiple devices(mobile phones, GPS and adaptors). 2. Can be connected simultaneously with 2 mobile phones to call out, answer calls, reject calls, hang up, voice dial and play mustic. 3.Can be used together with L3 remote control. 4.Can be connected with interphone through Bluetooth adaptor or handheld interphone control cable. 5.T-Rex headphone and ¿3.5mm normal headphone can be plugged in at the same time to share your music with your friends. Specification: Frequency: 2.4GHz Weight: 110.2grams Size: 100.8*77.2*42.7mm Battery Type: 470mAh Stand by: Up to 300hrs Talking Time: - Phone: up to 7 hours - Intercom: up to 6 hours Charging Time: Above 3 hours Tavel Adaptor: DC 5V 500mA Function: 1. 8-way 1500m conference talkback 2. Multiple device connected simultaneously 3. Can be used with FreedConn handle remote control L3 4. Wired/wireless connection with handheld interphone 5. Built-in radio 6. 3.5mm headphone jack 7. 2.5 converted to 3.5mm AUX audio line 8. Voice Prompt 9. Music sharing 10. Usable during recharging Package Included: 1 X T-Rex Intercom 4 X Headphone Hook&Loops 1 X Scew Driver 1 X Universal Clamp 1 X Microphone & Speakers 1 X Mini Microphoe 1 X Mini Microphone Clamp 1 X Two-Way Radio Control Cable 1 X PPT Button Hook&Loop Tape 1 X 2.5 Converted to 3.5mm Stereo Audio Cable 1 X USB Cable 1 X Manual 1 X Power Adaptor

PLEASE NOTE: On checkout you will have the option to "leave a note for the seller". Please use this area to specify your preferred option, size or color. Upon receipt of your order, we will also make contact with you to clarify or confirm options when necessary. Where you would like an option that has an additional price, please continue with your order as is and we will contact you with payment options for the additional amount. OPTIONS: COLOR: BLACK COLOR: BLACKSILVER Bluetooth: The bluetooth connect system up to 1000 meters. Device can be paired with any other type bluetooth item, also bluetooth headphones(support HSP profile,) Full-Duplex: When pairing with bluetooth headphones, allow riders and passengers talk at same time, like chatting face to face as natural.Superior bluetooth equipment,voice prompt function, never miss the information of voice report message from intercom group.Voice sharing function,remind you of the residual electricity. Bluetooth Version: With stable CSR BC5 Bluetooth 3.0,it can simultaneously connect two Bluetooth device.You can answer calls,HD music,fulfill intercom,GPS navigation and FM radio when riding the motorcycle.The item can working while charging. Professional Noise Reduction: Strong anti-interference and high impedance speaker comes along with low noise headphone amplifier,giving you strong music fun.Professional CVC sound and wind-proof microphone technology can effectively reduce noise in physical Benifits For You: Including soft tube microphone and hard tube microphone,apply to any type of helmet(full face and half face).Any questions,please contact us at first time.We will always at your service The reason you choose it. 1.The device can pairing with any other bluetooth item(support HSP profile) 2.Full-duplex,allow 2 riders talking as natural. 3.The item can working while charging,let the device full of power. 4. High resistance high fidelity headphone horn,professional windproof microphone.Give you strong experience of music fun. 5.Voice sharing function,reminding you of the residual electricity. 6.IPX6 water,do not worry about the weather. 7.Soft and hard cable, suit for any type of helmet. Specification: Bluetooth Version:3.0 Bluetooth Profile:A2DP EDR Item size 89mm*46*mm*20mm Battery Capacity:800mAh,3.7V Charging Time:3 hours Distance:1200m Waterproof rating: IPX6 Support FM Function Continuous Working Time:15 hours Standby Time:350 hours Color:Black Type of Built-in battery:Rechargeable Lithium Battery Headset:soft tube microphone and hard tube microphone General Quantity 1 set Material ABS Specification Bluetooth Version Bluetooth V3.0 Transmit Distance 10m Intercom Function Yes Intercom Effective Distance 1200m Talk Time 15 hour Standby Time 350 hour Built-in Battery Capacity 800mAh Dimensions & Weight Dimensions 3.5 in x 1.81 in x 0.79 in (8.9 cm x 4.6 cm x 2 cm) Weight 4.59 oz (130 g) Packing List 1 x Motorcycle Wireless Bluetooth Intercom 1 x Speaker 1 x Microphone 1 x USB Cable 4 x Folded Adhesive Earphone Pads 2 x Headset Clips

SELECTED OPTION: PLUG: USPLUG CLICK HERE for more options in this item. Description: You could use T-Rex intercom to satisfy all kinds of needs in your journey, such as wireless dialling, receving calls, listening to Mp3 music, receiving  GPS voice prompt and connecting with two way radio.The most important is that it can realize group Intercom among motorcycles, providing you with convenient communication with your teammates throughout the ride. Feature: 1.1500m talkback range, chain-shaped connection with unlimited links, preferably 8 links, can be connected with multiple devices(mobile phones, GPS and adaptors). 2. Can be connected simultaneously with 2 mobile phones to call out, answer calls, reject calls, hang up, voice dial and play mustic. 3.Can be used together with L3 remote control. 4.Can be connected with interphone through Bluetooth adaptor or handheld interphone control cable. 5.T-Rex headphone and φ3.5mm normal headphone can be plugged in at the same time to share your music with your friends.   Specification: Frequency: 2.4GHz Weight: 110.2grams Size: 100.8*77.2*42.7mm Battery Type: 470mAh Stand by: Up to 300hrs Talking Time: - Phone: up to 7 hours - Intercom: up to 6 hours Charging Time: Above 3 hours Tavel Adaptor: DC 5V 500mA Function: 1. 8-way 1500m conference talkback 2. Multiple device connected simultaneously 3. Can be used with FreedConn handle remote control L3 4. Wired/wireless connection with handheld interphone 5. Built-in radio 6. 3.5mm headphone jack 7. 2.5 converted to 3.5mm AUX audio line 8. Voice Prompt 9. Music sharing 10. Usable during recharging Package Included: 1 X T-Rex Intercom 4 X Headphone Hook&Loops 1 X Scew Driver 1 X Universal Clamp 1 X Microphone & Speakers 1 X Mini Microphoe 1 X Mini Microphone Clamp 1 X Two-Way Radio Control Cable 1 X PPT Button Hook&Loop Tape 1 X 2.5 Converted to 3.5mm Stereo Audio Cable 1 X USB Cable 1 X Manual 1 X Power Adaptor

Description: You could use T-Rex intercom to satisfy all kinds of needs in your journey, such as wireless dialling, receving calls, listening to Mp3 music, receiving GPS voice prompt and connecting with two way radio.The most important is that it can realize group Intercom among motorcycles, providing you with convenient communication with your teammates throughout the ride. Feature: 1.1500m talkback range, chain-shaped connection with unlimited links, preferably 8 links, can be connected with multiple devices(mobile phones, GPS and adaptors). 2. Can be connected simultaneously with 2 mobile phones to call out, answer calls, reject calls, hang up, voice dial and play mustic. 3.Can be used together with L3 remote control. 4.Can be connected with interphone through Bluetooth adaptor or handheld interphone control cable. 5.T-Rex headphone and φ3.5mm normal headphone can be plugged in at the same time to share your music with your friends. Specification: Frequency: 2.4GHz Weight: 110.2grams Size: 100.8*77.2*42.7mm Battery Type: 470mAh Stand by: Up to 300hrs Talking Time: - Phone: up to 7 hours - Intercom: up to 6 hours Charging Time: Above 3 hours Tavel Adaptor: DC 5V 500mA Function: 1. 8-way 1500m conference talkback 2. Multiple device connected simultaneously 3. Can be used with FreedConn handle remote control L3 4. Wired/wireless connection with handheld interphone 5. Built-in radio 6. 3.5mm headphone jack 7. 2.5 converted to 3.5mm AUX audio line 8. Voice Prompt 9. Music sharing 10. Usable during recharging Package Included: 1 X T-Rex Intercom 4 X Headphone Hook&Loops 1 X Scew Driver 1 X Universal Clamp 1 X Microphone & Speakers 1 X Mini Microphoe 1 X Mini Microphone Clamp 1 X Two-Way Radio Control Cable 1 X PPT Button Hook&Loop Tape 1 X 2.5 Converted to 3.5mm Stereo Audio Cable 1 X USB Cable 1 X Manual 1 X Power Adaptor

Description: 1. The product is for group intercom, motorcyclists can talk with another within the group, the intercom distance can reach 1500 meters, up to 120km/h working speed. 2. Unlimited number of connection, but 8 headsets connected will be the best situation. 3. 6 riders connected, 8 peoples toggle intercom, 6 riders talking at the same time. 4. Conduct calls on their mobile phone, such as: 1) Receive a cell phone call automatically, auto answering; 2) Call out, call answer, call reject, call hang up; 3) Last number redial & voice dialing; 4) Voice prompt and play music; 5) It can connect two phones at the same time. 6. Automatic switching among bluetooth cell phone, intercom, stereo music. When there is a coming phone call, the playing music or intercom status will be suspended. After finished your diologue, the music or intercom function will be resumed automatically. 7. Enjoy the music through bluetooth enable cell phone/MP3/GPS. (A2DP Stereo Music) The music can be controlled via AVRCP, such as play, pause, previous song, next song played. 8. With DSP echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed in a high speed. 9. Button panel is waterproof and sunproof, while the design is durable. 10. Carrying FM radio function, support audio transfer. Specification: Max. Bluetooth Intercom Range: 1500m Frequency: 2.4 GHZ Size: 88x53x31mm Battery volume: 470mAh Talking Time: 7h of mobile phone 6h of Bluetooth intercom Charging Time: About 2.5h Travel Adaptor: DC 5V 500mA Package Included: 1 X Intercom 1 X USB Cable 4 X Headphone Hook&Loop 1 X Microphone & Speaker 1 X Metal Clamp & Plastic Clamp 1 X Two-Way Radio Control Cable 1 X PTT Button Hook&Loop Tape 1 X User Manual

PLEASE NOTE: On checkout you will have the option to "leave a note for the seller". Please use this area to specify your preferred option, size or color. Upon receipt of your order, we will also make contact with you to clarify or confirm options when necessary. Where you would like an option that has an additional price, please continue with your order as is and we will contact you with payment options for the additional amount. OPTIONS: COLOR: BLACK-EUPLUG COLOR: BLACK-USPLUG Feature: 1. The product is for group intercom, motorcyclists can talk with another within the group, the intercom distance can reach 1000 meters, up to 120km/h working speed. 2. Unlimited number of connection, but 8 headsets connected will be the best situation. 3. 6 riders connected, 8 peoples toggle intercom, 6 riders talking at the same time. 4. Conduct calls on their mobile phone, such as: 1) Receive a cell phone call automatically, auto answering; 2) Call out, call answer, call reject, call hang up; 3) Last number redial & voice dialing; 4) Voice prompt and play music; 5) It can connect two phones at the same time. 6. Automatic switching among bluetooth cell phone, intercom, stereo music. When there is a coming phone call, the playing music or intercom status will be suspended. After finished your diologue, the music or intercom function will be resumed automatically. 7. Enjoy the music through bluetooth enable cell phone/MP3/GPS. (A2DP Stereo Music) The music can be controlled via AVRCP, such as play, pause, previous song, next song played. 8. With DSP echo cancellation and noise suppression technology, crystal clear voice quality is guaranteed in a high speed. 9. Button panel is water-proof and sun-proof, while the design is durable. 10. Carrying FM radio function, support audio transfer. Bluetooth: 4.1 version - Bluetooth intercom range: about 1000m - Frequency: 2.4GHz - Battery: built-in 570mAh Li-ion battery - Talking time: about 11 hours (mobile phone), 9.5 hours (Bluetooth intercom) - Standby time: about 1 week - Charging time: about 2.5 hours - Adapter: DC 5V, 500mA General Quantity 1 set Material ABS Specification Bluetooth Version Bluetooth V4.1 Transmit Distance 10m Intercom Function Yes Intercom Effective Distance 1000m Support Intercom Riders 6 Talk Time 9-11 hour Standby Time 300 hour Built-in Battery Capacity 570mAh Other Features Waterproof Function Yes Dimensions & Weight Dimensions 5.12 in x 2.36 in x 1.18 in (13 cm x 6 cm x 3 cm) Weight 4.23 oz (120 g) Packing List 2 x T-MAX Bluetooth Receiver 2 x USB Cable 8 x Headphone VELCRO 2 x Microphone & Speaker 2 x Plastic Clamp 1 x User Manual 2 x Power Supply

PLEASE NOTE: On checkout you will have the option to "leave a note for the seller". Please use this area to specify your preferred option, size or color. Upon receipt of your order, we will also make contact with you to clarify or confirm options when necessary. Where you would like an option that has an additional price, please continue with your order as is and we will contact you with payment options for the additional amount. OPTIONS: COLOR: USPLUG COLOR: EUPLUG Specification: 1) T9S intercom can conect most bluetooth headset, form the front and back intercom. Connect most of bluetooth intercoms. 2) FM Function (listen music at the same time intercom). 3) Wired to connect traditional walkie talkies, need PPT intercom of USB interface cable. 3) Bluetooth intercom at the same time, you can listen to the voice of the phone. 4) Memory matching, simple and easy to use. 5) Stable CSR BC5 chip, Bluetooth 3.0 6) High-power stereo high-definition sound headphones, the real experience of music to bring the fun. 7) Upgradeable software. Make security more secure. 8) While charging, while using, more power, equipped with mobile power. 9) Maximum Intercom Distance is up to 1000 meters, smooth riding, close at hand 10) Professional anti-noise microphone, (can reduce the noise from the physical), high-impedance high-fidelity earphone horn, 11) Differential Direct Drive Low Noise Headphone Amplifier, 12) Professional windproof microphone, (can be a physical noise reduction) 13) Professional wind noise elimination algorithm CVC (can be technically eliminate wind noise noise) 14) Voice device, (software optimization, internal intercom can automatically play from the guidance of voice) 15) Voice sound function, (during the journey did not miss any voice messages from the intercom group) 16) Menu voice prompts, (To enhance the user experience) 17) Low power consumption, (long talk time) 18) Grade 6 waterproof 19) Simple multi-way clip, (multi-way simple operation) 20) Supports A2DP EDR Superior battery life 1) 800mAh battery capacity. 2) standby 350H 3) work 15H There is power reminder fuction, has three grades：100%，50%，20%. Self-check power, standby double-click the power button. General Quantity 1 set Material ABS Specification Bluetooth Version Bluetooth V3.0 Transmit Distance 10m Intercom Function Yes Intercom Effective Distance 1200m Talk Time 15 hours Standby Time 350 hours Built-in Battery Capacity 800mAh Packing List: 2 x Motorcycle Wireless Bluetooth Intercoms 2 x Ear Speakers 2 x Microphones 2 x USB Cables 8 x Folded Adhesive Earphone Pads 4 x Headset Clips 2 x Power adapters

Description: T9S Motorcycle Helmet Wireless Bluetooth Intercom resolves your communication problem when riding a motorcycle It's convenient for communication between the riders or between the rider and the pillion. Strong anti-interference and high definition speaker comes along with low noise headphone amplifier, giving you much music fun. It's perfectly suitable for motorcycle, skiing, snowmobile, etc. Feature: 1) 2 people simultaneously full duplex real-time intercom, it can directly match other brand bluetooth intercom to use intercom function, such as MIDLAND, SENA. 2) FM Radio function 3) Listen to music at the same time you can listen to the call warning tone of from phone. Bluetooth intercom at the same time, you can listen to the music (but the music volume will turn down automatically), also can listen the call warning tone of from phone. 4) Memory matching, simple and easy to use. 5) Stable CSR BC5 chip, Bluetooth 3.0 6) High-power stereo high-definition sound headphones, the real experience of music to bring the fun. 7) Upgradeable software. Make security more secure. 8) Can be charged,more power, equipped with mobile power. 9) Maximum Intercom Distance is up to 1000 meters, smooth riding, close at hand 10) Professional anti-noise microphone, (can reduce the noise from the physical), high-impedance high-fidelity earphone hor 11) Differential Direct Drive Low Noise Headphone Amplifier 12) Professional windproof microphone, (can be a physical noise reduction) 13) Professional wind noise noise elimination algorithm CVC (can be technically eliminate wind noise noise) 14) Voice device, (software optimization, internal intercom can automatically play from the guidance of voice) 15) Voice sound function, (during the journey did not miss any voice messages from the intercom group) 16) Menu voice prompts, (To enhance the user experience) 17) Low power consumption, (long talk time) 18) Grade 6 waterproof 19) Simple multi-way clip, (multi-way simple operation) 20) It can simultaneously connect three Bluetooth devies.(Two mobile phones and one T9s intercom) Intercom Function & Connect with Walkie Talkie by K Cable(K Cable is not included) Direct full-duplex intercom between rider & passenger or two riders up to 1000 meters. It can paired with for SENA CARDO UCLEAR MIDLAND intercom on condition that intercom earphone supports Bluetooth HSP profile. You will never miss any voice message from intercom group. CSR BC5 Bluetooth Technology With CSR BC5 Bluetooth 3.0,it can simultaneously connect three Bluetooth devices. You can pick up calls, fulfill intercom, HD music, GPS and FM radio when riding a motorcycle. High Definition Speaker & Microphone Strong anti-interference and high definition speaker comes along with low noise headphone amplifier, giving you much music fun. Professional CVC sound and wind proof technology can effectively reduce noise. Endurance Time Built-in 800mAh polymer battery offers 15 hours of working time and 350 hours of standby time. Low consumption. Waterproof & Dustproof IPX7 waterproof and 6 grade of dust proof allows you to ride your motorcycle on rain days. Simple clip installation for easily clipped on the helmet. Two ways of installing microphone: 1.For open and flip helmets: Place the boom microphone with the adhesive strip between the padding and the rigid cover of the helmet so that the microphone is positioned in front of your mouth. 2.For full faced helmets: Place the microphone inside the helmet with adhesive strip. Specification: Bluetooth Version: V3.0 Bluetooth Profile: A2DP Mic Sensitivity: 32ohm Impedance: 70ohm+-15% at 1000Hz/1.0V Water Resistant: FO-3.5KHz.Average SPL-20dB Type Of Built-in Battery: Rechargeable Polymer Lithium Bat

1. This product is a group of intercom headphones, can be realized between the motorcycle and motorcycle group intercom, the distance of 1500 meters. 2. The number of connections is not limited, the best state for the 8-person connection. 3. Simultaneous control of two mobile phone operations, such as: automatic answering calls, outgoing calls, answering calls, rejecting calls, hanging up, number redial and voice dialing. 4. can be achieved in the call, intercom, listening to music automatically switch between the work mode, priority mobile phone call. Automatically switch to the phone to answer the phone mode, while hanging up Automatically resume intercom after the state. 5. You can listen to the music on your device via your phone / MP3 / GPS Bluetooth function. 6. Through the DSP echo cancellation and noise citation technology can guarantee high speed when the clear voice quality. 7. Design durable, with waterproof, sunscreen, dust and other properties. 8. Carry radio function.​ General Quantity 1 set Form Color Black + Silver Material ABS Specification Application Helmet Bluetooth Version Bluetooth V3.0 Transmit Distance 1500m Intercom Function Yes Intercom Effective Distance 1000-1500m Support Intercom Riders 8 Talk Time about 6-7 hours Standby Time 300 hours Power Supply 5V Built-in Battery Capacity 500mAh Other Features Waterproof Function Yes Dimensions & Weight Dimensions 3.74 in x 1.77 in x 1.06 in (9.5 cm x 4.5 cm x 2.7 cm) Weight 8.29 oz (235 g) Packing List 1 x Bluetooth Intercom 1 x Universal Clamp 1 x USB Cable 1 x Screwdriver 3 x Standby Headphone Adhesive Pads 2 x Mini Microphone Clamps 1 x Microphone and Speaker 1 x Interphone Control Cable 1 x Mini Microphone 1 x PTT Adhesive Tape 1 x 2.5mm to 3.5mm Audio Cable 1 x Bilingual Manual in Chinese and English