Free bluetooth

Buy 2.5mm Hands Free bluetooth External Mic Microphone for Car Pioneer Stereos Radio Receiver for R276.90

Buy BT10 Car Universal Hands Free bluetooth Audio Input Music LED Light Receiver Built in Battery for R265.87

Buy Baseus Wireless Hands Free bluetooth 5.0 Car AUX Music Receiver Adapter Interfa for R499.00

Description: 1 Wireless Bluetooth Car Kit: Connect your car AUX Jack, connect the wireless transmission of music and answer calls with your phone. 2 Wireless Bluetooth Audio Receiver: connected home speakers, and the phone is connected to a wired speakers into wireless Bluetooth speakers, you can answer the call. 3 Supports Bluetooth 3.0 + EDR. 4 Operating Range: 10M. 5 Supports For iPad, iPhone, iPod Nano, iPod Touch, Samsung Galaxy smart phones and other Bluetooth devices; support for hands-free calls & music appreciation. Specification: Bluetooth version 3.0 + EDR. Transmission distance 10 meters Built-in Built-in microphone, a clear call Battery Built-in lithium polymer battery Talk time 7 hours Music Time 7 hours Other To answer the call How to use: 1 Plug the device into car audio equipment or other audio equipment 2 Press the Bluetooth button for 5 seconds to boot, until the red light flashes 3 Locate the Bluetooth devices on your phone or tablet PC, select Pair 4 Answer the phone: When there is telephone access, press the Bluetooth button to answer 5 Refused Tel: Short press the Bluetooth button 2 seconds reject calls 6 Consecutive short press the Bluetooth button to redial the last call number Package Included: 1 X Bluetooth Hands-free 1 X USB Charging Cable 1 X User Manual

SELECTED OPTION: QUANTITY: 10PCS CLICK HERE for more options in this item. Product Description: Bluetooth Music Receiver (hands-free) can receive is a high-tech mobile phones or wireless products Bluetooth music transmitter on. This Music Receiver can be used almost all of the audio receiver can be used with input plug, including automotive devices. You can hear the reception received from your smartphone and MP3 music to speakers at home or car stereo system. Enjoy the ultimate car music, call solutions using smart phones to make calls and listen to music through the car stereo. Touch of a button speakerphone, listen to music stored in the phone's music player and even Internet radio. The product with embedded echo canceling microphone, with just one button you can easily switch between music and calls. Specifiation: Bluetooth V3.0 + EDR, maximum transmission distance 10m Bluetooth hands-free calling features A2DP stereo Bluetooth support Frequency: 2.4GHz By CE, FCC, BQB certification 3.5mm stereo input jack Sleep mode, energy-saving Power: Use the mini USB charging cable Working time: up to 8 hours Package Included: 3PCS X T201 Bluetooth Music Receiver or 5PCS X T201 Bluetooth Music Receiver or 10PCS X T201 Bluetooth Music Receiver  

Product Description: Bluetooth Music Receiver (hands-free) can receive is a high-tech mobile phones or wireless products Bluetooth music transmitter on. This Music Receiver can be used almost all of the audio receiver can be used with input plug, including automotive devices. You can hear the reception received from your smartphone and MP3 music to speakers at home or car stereo system. Enjoy the ultimate car music, call solutions using smart phones to make calls and listen to music through the car stereo. Touch of a button speakerphone, listen to music stored in the phone's music player and even Internet radio. The product with embedded echo canceling microphone, with just one button you can easily switch between music and calls. Specifiation: Bluetooth V3.0 + EDR, maximum transmission distance 10m Bluetooth hands-free calling features A2DP stereo Bluetooth support Frequency: 2.4GHz By CE, FCC, BQB certification 3.5mm stereo input jack Sleep mode, energy-saving Power: Use the mini USB charging cable Working time: up to 8 hours Package Included: 1 X T201 Bluetooth Music Receiver 1 X USB Cable 1 X Instructions

Description: 1. Built-in-Li-ion Battery. 2. Support TTS function. 3. Support dual standby. 4. Support MIC mute function. 5. Connect automatically when power is on. 6. USB port for software update and charge. 7. Answer/end/reject a call, last call redialing,and call switch. 8. DSP technology, Full duplex, CVC noise and echo suppression. 9. Support A2DP function, can play cell phone music and control it completely via Bluetooth car kit. 10. Fixed on the steering wheel with special hook structure which is convenient for fixing and operation. 11. Built-in high intelligent microphone and powerful speaker in order keep excellent sound quality effects. Feature: Color Black Bluetooth Version 4.0 Bluetooth Working Frequency 2.4GHZ Receiving Range Of The Bluetooth Device 0~10 meters Charging Voltage DC5V/500mA                     Capacity Of The Built-in-lithium 300mA Operating Temperature -10~70 Degrees Storage Temperature -20~80 Degrees Car Charger 55x25mm Wire Length 60cm Size 95x80x70mm   Package Included: 1 X Bluetooth Car Kit 1 X Car Charger 1 X USB Cord 1 X Instruction 

 Brand new hands free bluetooth car kit. still in box, never been used.

                                        Bluetooth Hands Free Car Kit      Specification: Bluetooth Edition: V3.0+EDR Working Frequency: ISM 2.4 ~ 2.48GHZ Connection Range: 10m Speaker: 2w Battery: Lithium 3.7v,650mah Talk time:up to 20h Standby time: up to 1000h Charging Time: 2-3h Size:118x46x16mm Weight: 0.23kg Bluetooth Hands Free Car Kit E01 Package including: 1x Hands Free Speakerphone E01 1x Car charger 1x USB cable 1x Manual                                                  

*FREE SHIPPING* Bluetooth Audio Receiver for Car Radio Aux or Hi Fi Line In The Bluetooth Receiver is specially designed for Car Stereo systems and Home Audio System. And, it can change the traditional Car Stereo systems and Home Audio System into Bluetooth-enabled ones, and pair with Bluetooth-enabled smart phones, laptop, tablet or MP3 / MP4 player, etc. Moreover, its hands-free function will bring you much convenience and let you keep safe during drive. With this product, you can greatly enjoy music from your phone, laptop or MP3 without the hassle of cables and picking up incoming call during on the road. It is perfectly suitable for the car owners. Features: Bluetooth V3.0+EDR music receiver, transmission range up to 10m / 33ft. Support iPhone, Android phone, other smart phones which with Bluetooth A2DP function. Support hands free, can connect microphone and support phone calling through Bluetooth receiver. Sleep mode for saving power. 3.5mm stereo audio output. Compatible with home stereos / speaker, car stereos, headphones. Includes: 1*Bluetooth audio receiver 1*USB cable 1*3.5mm connector      

  Bluetooth Car Kit Handsfree FM Transmitter Radio MP3 Player USB Charger & AUX                 Features: Fast and Intelligent Charger: This Bluetooth Car charger comes with USB output 5V/2.5A. It is able to charge devices fast. It will automatically adjust output based on the device you have Music Player and FM Transmitter: The Car FM Transmitter is able to play the musics on your phone via FM radio or Aux-in port. It supports MP3, WMA, WAV and FLV. With TF card slot and USB port, it is also able to play and transmit music files from TF card or USB drive. Hands Free Calling: Simply pair this car transmitter with your phone. You will be able to answer/reject/end calls easily. Hands free function lets you drive safely Great compatibility: Compatible with all bluetooth-enabled devices, such as iPhone, Ipad, Samsung, LG, HTC smartphones, tablets, etc. Noise Reduction Technology: With CVC technology, this car FM transmitter provides you with clear phone calling and let you enjoy beautiful music. It also supports A2DP (Advanced Audio Distribution Profile). Specifications: Material: Plastic Rated working voltage:12V-24V USB output:5V/2.5A Format supported: Mp3 WPA FLV WAV Bluetooth version:2.1+EDR Bluetooth sound processing:A2DP (Advance Audio Distribution Profile)function support Bluetooth transmission distance: 10M Effective distance of Bluetooth microphone:0-2M FM Range: 87.5-108 MHz FM mode: Stereo digital PLL frequency locking> Package Includes: 1 x Bluetooth FM Transmitter 1 x AUX Cable 1 x User Manual  

Free to Enjoy Built in latest Bluetooth 4.1 technology. You can enjoy excellent sound performance from this durable, lightweight and sweat-proof headset. Work out and stay fit with clear, natural sound that drives you forward. Super Comfortable, Secure Fit Made for sports and running, biking, working out or just enjoying your day. Our IPX4 WATERPROOF and SWEAT-PROOF Bluetooth earbuds feel great to wear and will never fall out. Talk With Clarity When speaking to friends using the built-in microphone, you will immediately notice how smooth and clear communication is. Employing cvc Noise Cancellation technology, outside sound is greatly reduced resulting in phone calls free from disturbance and with clearer transmission. Bluetooth 4.1 Faster and more efficient than ever before, Bluetooth 4.1 improves over the past version with quicker response and lower frequency. You will get high quality sound within 33-feet during working and don't worry you cannot find your phone. Unbelievable To remove your concerns, we offer the no-reason refund within 30 days and for 18 months and also the friendly, easy-to-reach customer support. What's in the box: Q2 Bluetooth Headphone * 1 Micro USB Charging Cable * 1 Ear Caps of different sizes * 3 User Manual * 1 Note: The Q2 cannot be recharged by most portable chargers because a minimum output current lower than 100mA (0.1A) is required. Recharging via wall charger, car charger or computer USB port is recommended. *Playtime varies according to volume level and audio content.

BLUETOOTH MOTORCYCLE HEADSET - BLUETOOTH 4.0, BUILD-IN MIC, HANDS FREE CALLS, MUSIC, 10M BLUETOOTH RANGE, 150MAH BATTERY - A838 Key Features... Motorcycle headset offers a safe and convenient way to make hands-free calls while riding your bike Bluetooth 4.0 supports fast data transmissions 150mAh battery provides up to 60 hours of standby time Listen to your favorite tracks on the go when synchronized with your smartphone music library BLUETOOTH MOTORCYCLE HEADSET Always stay connected while on the go with this amazing motorcycle headset. Fitting nearly all helmets out there, this headset is the ultimate electronic gadget that keeps you in touch with friends and family while enjoying your upcoming bike trips. Thanks to its powerful 150mAh battery, this motorcycle accessory features a 60 hour standby time and 8 hours of continuous talk time. With all this power at hand, this motorcycle headset will keep you connected no matter how long your upcoming road trips will last. Thanks to its Bluetooth 4.0 connectivity, this helmet headset allows itself to be easily paired with your smartphone. Featuring a built-in microphone, it allows you to engage in hands-free calls at any time – immensely increasing your safety on the road. Additionally, it can also be synchronized with your smartphone’s music library – letting you enjoy all your favorite songs on the go and allowing you to take the absolute most out of all your upcoming road trips. Supporting a 10m Bluetooth range, you’ll be able to keep your smartphone safely in your bag while enjoying your music and making hands-free calls throughout the trip. Whether you like to enjoy your favorite songs on the go or are searching for a safe way to stay connected to friends and family while riding your bike – this motorcycle headset offers the perfect solution. Compatible with the vast majority of smartphones out there, this Bluetooth helmet headset is the ultimate biker gadget for anybody out there. Manufacturer Specifications General Bluetooth Version: 4.0 Frequency: 2.4GHz Range: about 10m Built-in Mic: Yes The Mic distance: up to 1m Battery Type: Rechargeable Lithium Polymer 150mAh 3.7V Stand by: Up to 60hrs Talk time: Up to 8hours Charging Time: about 1hours Ports Micro USB Dimensions Main Product Dimensions: 250x45x30 mm (L x W x D) Main Product Weight: 52g Package Contents 1xBluetooth Headset 1xMicro USB Cable User Manual in English

Hands free is the new freedom. Stay connected, safe and in the future with the Bluetooth Hands Free Kit Features: Bluetooth Specification: V3.0, Class 2, 10 meters Operating Frequency Band: 2.4GHz 2.48GHz; Rechargeable battery: 3.7VDC, 500mAH Normal Charge Time: up to 3 hours (approx) Talk time: up to 10 hours Standby time: up to 1000hours Main Product Dimensions: 130 x 50 x 13 mm (L x W x D) Main Product Weight: 56g Mounting: Back Clip Contents: 1 x Bluetooth Handsfree Speakerphone 1 x Car Charger 1 x USB cable 1 x User Manual 1 x Holder

Buy Bluetooth Hands Free Receiver -Stream Music to Any Device With an Auxiliary Input or Hand Free Calls for R1.00

What is Bluetooth Car Speakerphone? With the aim of convenience and freedom of wireless communication and with the double functional power adapter, this device can be use as hands-free kit both in car or as conference speakerphone on desk when you are at home, office.ect. This Car Bluetooth Handsfree can make your life more fantastic. Features: Powerful 3 watts speaker deliver HD quality voice and music. Come with car charger, you can charge the devices in your car convenient. Portable mini and multi-functional power adapter, this device can be used as hands-free kit both in car or as conference speakerphone. It's strongly recommended to make it fully charged before using. Easy to use. Just clip it on the sun visor of the car or anywhere to be clipped, like your trousers pocket. Specifications: Bluetooth standard: Bluetooth Version 4.1 + EDR Wireless Connected Distance: 0-10 meters Charging Time: About 3 Hours Hands free Working Time: About 17-20 Hours Stand-by Time: About 1400 Hours. Package including: 1* Car Bluetooth Speaker 1 * USB cable (as a gift) 1 * Car Charger (as a gift) 1 * User manual About Us: We are a professional R&D company, focus to Bluetooth Car Speakerphone with good quality and reasonable price. We continue to research new design appearance and technology, committed to develop more worthy function. Your valuable suggestions and satisfaction is our motivation. About and our services: 1. If you have any quality problem about our products, we could provide you 24 months cost-free and 10 years free maintenance. 2. If there is any dissatisfaction with our products or have any questions, please let us know at the first time, we will definitely reply you in 8 hours.

Feature: Adopt DSP technology,call Echo Cancellation and noise reduction(CVC) Technology Supports Smart phone Bluetooth music and u driver Built in high sensitive microphone and powerful speaker for excellent sound quality Automatically turns on and Bluetooth reconnects when car stars,and shuts down after leaving car Automatic memory function Support Bluetooth status indication Support Bluetooth/USB driver switch Support connection status beep Support MP3/WMA format music play Bluetooth version 4.0 Supports HSP, HFP,A2DP Supports mobile phone of length: 58-85mm USB Max: USB Max Support 4 FM Frequency: FM89.0/FM90.5/FM101.8/FM107.7 Bluetooth version: V4.0 Package Included: 1 X FM Transmitter MP3 Player 1 X Flexible Hose 1 X Sucker 1 X Car Charger 1 X User Manual (Cellphone not included)  

Crisp Sound QualityAdopt advanced CVC noise cancellation technology to create full duplex sound and eliminate ambient environmental noise, ensure a continuous calling without echo. Built-in microphone allows you to make interference free, hands-free calls while driving. Support incoming call announcement, Ainope car charger with FM transmitter function is a must-have for cars with no aux port and Bluetooth capabilities. Mutiple Music Play ModesEnjoy high-quality music via Bluetooth, USB disk (32GB), TF card (32GB) and Aux cable; Support A2DP and MP3/WMA/FLAC/AAC/WAV format music. Advanced Bluetooth V4.2 and EDR(Enhanced Data Rate) featuring enhanced anti-interference capability to promise a stable transmission while consuming much less power. Efficient Charging in Both PortsAinope FM transmitter Car Adapter is equipped with Quick Charge 3.0 and USB 2.4A charging port, will intelligently detect your device to deliver the fastest possible optimal current. QC 3.0 backward-compatible with Quick Charge 2.0, 1.0. USB 2.4 port can charge 40% faster than conventional chargers do. 1.44Horizontal Big Screen1.44Horizontal LCD screen has perfect screen aspect ratio, which is even larger than the 1.77screen.You can make a quick glimpse at the screen to know the song name, fm frequency, incoming phone number and even the battery voltage. Designed for More CovenienceThe 350 degree rotatable goose neck is specially designed for an optimal view on the LCD screen. With 12-month and reliable Customer Service, just enjoy your hassle free shopping at Ainope.

Features:   8 Hours talk time 38 hours stand-by time 3.5mm stereo inlet socket Built-in Lithium battery Specifications: Voltage: 3.3 Power Consumption: 0.6W SNR: >60Db Distortion Rate: Frequency: 87.5 - 108.0mHz Bluetooth Distance: 10m Charge Voltage: DC 5V 5A Bluetooth Version: V4.2 + EDR Support Profiles: A2DP stereo profile Charging time: 1hrs - 2hrs In Box: 1 x Bluetooth speaker phone 1 x USB Cable 1 x Male 3.5mm Jack to Jack 1 x User manual Colours: Sent Randomly Subject to availability!!! Mostly Black!!! !!!!CLICK HERE FOR MORE GREAT DEALS!!!!                              

Buy FREE COURIER Car 12V Color Screen Display Bluetooth 5.0 Audio MP3 Player Decoder Board FM Radio TF C for R421.06

Function: Support Bluetooth hands-free phone calling via its build-in microphone. Noise and wind suppressed by CUC technology to create full duplex sound quality. Support mobile`s A2DP function, Music will be played directly while the mobile phone is connected. Mobile phone can be connected automatically when the device turns on. Support an external TF card, can play music files in MP3/WMA format. Integrated car charger of output 5V-1000mA, is available for charging handheld devices in car. Compatible Modes: iPod/iPhone, Samsung, iPad, Nexus, Sony, LG, Motorola, Nokia and other mobile devices Product parameters: Bluetooth: Bluetooth Version: V3.0 + EDR Frequency: 20 h 20 KHZ Sensitivity: -42 db+ / 3 db 360 Voltage: 5 v + / -0.5 Working Current: 45mA (Max) Stand-by Current: 25mA (Max) Frequency: 2.402 2.480 ghz Effective Range: 5 meters Sensitivity: -92 dBm RF Output: 4 dBm Frequencies: FM:87.5MHz - 108.0MHZ Transmitted Power: 87 dBuv /107 dBuv Effective Range: 2 meters

Buy FREE COURIER Motorcycle MP3 Anti-lost Modified Audio, Support Bluetooth & TF Card & U Disk Reader & for R1,066.72

  1.The Newest bluebooth version: V4.1 + EDR,lo power consumption,superior performance 2.Support caller number voice broadcast 3.The operating frequency range: ISM band(2.4-2.48GHZ) 4.Wireless range up to meters 5.Support hands-free,support SIRI,support music,support audio fiction call time: 20hours standby time: up to 1000 hours charging time: 2-3 hours Package Include: 1 x Bluetooth 4.1 Car Kit 1 x Car Charger 1 x Micro USB charging cable 1 x Visor Clip 1 x User Manual

Car Bluetooth Wireless FM Radio Transmitter with Dual USB Ports Hands Free Calling and Charging Introduction: This is a special product that can switch the call to the hands-free state via Bluetooth module. When the call is finished, it will be switched to the music play automatically. It can also send the music from mobile phone to your car stereo. You can enjoy the music and answer the call in hands-free mode without refitting your car, which ensure the driving safety while enjoying music. Product Features 1.LED Display 2.Support Bluetooth Hands-free 3.Support Bluetooth stereo music play 4.Echo cancellation and noise suppression (CVC) technology 5.Dual USB output. total output 5V/4.2A(5V/2.1 single) 6.Bluetooth Stereo and FM transmitter 7.Automatic power-off memory function Notes When use FM transmit function,volume will not be too much (usually below 29) in order to avoid sound distortion, please use the car stereo to adjust the volume. The machine built-in antenna for FM transmitting, so please avoid using the broadcasting station frequency that is with strong signal so as to get better sound effect. Package Include: 1 x Bluetooth FM Transmitter 1 x

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Description: 1. One button to set up the caller to answer automatically, to satisfy different environment of customers. 2. bluetooth version upgrade to bluetooth 4.2, customer use better. 3. Product packaging volume and weight smaller and convenient transportation 4. Product price optimization compared with other styles has higher cost performance and stronger market competitiveness. Specification: Working voltage: DC5V bluetooth version: V4.2+BR+EDR Support bluetooth Protocol: Suppore a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/L2cap profile Effective distance: 10-15 meters / barrier free 30 meters Frequency: 2.402 GHz to 2.480GHz Distortion: -70db Data transmission rate: 300Kb/S Audio coding specification: SBC Transmission power: 4dbm Signal to noise ratio: >90db Sensitivity: -85db bluetooth connection time: 5-7S Charge time: less than 1 hours. Standby time: less than 160 hours. Continuous working time: less than 8 hours Package Included: 1 X Motorcycle Helmet Earphone bluetooth Intercom Earphone For Motorcycle Helmet Riding Headphone Handsfree Music bluetooth Intercom Earphone For Motorcycle Helmet Riding Headphone Handsfree Music bluetooth Intercom Earphone For Motorcycle Helmet Riding Headphone Handsfree Music

product description: Specifications: Bluetooth Version:Bluetooth 4.2 Working frequency:2.402~2.480 GHz Operation Range:Up to 10 Meters/ 33 feet (Free Space) Earphone Weight:56.5g Charge Port:Micro-USB Battery Capacity:3.7V/45mAh Talking Time:3 hours Music Time:2.5 hours Stand-by Time:approx. 120 hours Bluetooth Profile:HSP/HFP/A2DP/SVRC Battery Type:Polymer Lithium Battery How to pair the headsets: 1. Long press the main button of earbuds till the red and blue lights flashing alternately. 2.Open the Bluetooth of your devices, search Air-TWS, click to pair connection. 3. Make your headset and phones match, after the success of the headset into the standby state, blue light flash every 8 seconds. 4.If you want to power it off, hold down the headset multi-function keys until the earbud Led light disappears. Note: Do not use in thunderstorm days, it may lead to failure in connecting and increase the risk of electric shock. Do not disassemble or modify the headphones for any reason, as this may cause malfunction or burning,please send it to Authorized service center for repairing. Please put the earbuds out of the reach of children and pets. Do not put the product in water. Package includes: 1 * Crazestar Bluetooth Earbuds 1 * Micro USB Charging Cable 1 * 220 mAh Charging case 3 * Spare Ear Tips(L/M/S) 1 * Cable Management Clip 1 * User Manual 1 * Exquisite Package Box.: Crazestar shop provides 12 great customer service and the highest product quality. If you have any issue with our Bluetooth headphones at any time, please contact us and we will fix the issue to your full satisfaction.

Overview: This portable mini-designed Bluetooth speakerphone is specially designed to give you convenience and freedom of wireless communication, which can be used as hands free car kit when you are driving or as conference speakerphone on desk-top when you are at home, office, etc. With advanced built-in microphone which adopts DSP solution for Echo Cancellation and Noise Suppression, this speakerphone creates an outstanding full duplex sound quality for you. Feature: 1. Requiring no installation, just clip it on your sun visor. 2. support hand-free, support siri, support music, support audio fiction. 3. Designed with 20 hours of talking time and 40 days of stand-by time, you can count on it for important calls. 4. Comes with fully automatic pairing and high quality to fit perfectly into your car. 5. Will enjoy echo and noise-free conversations due to a powerful speaker and DSP technology. Compatibility: must be iPhones, iPads and iPod Touch and there has SIRI function Bluetooth: V4.1+EDR Specification: The Newest Bluetooth Version: V4.1+EDR Working Frequency: ISM 2.4 ~ 2.48GHZ Connection Range: 10m Talk time:up to 20h Standby time: up to 1000h charging time:2~ 3 hour Size:130x49x15mm

Description: 1. One button to set up the caller to answer automatically, to satisfy different environment of customers. 2. Bluetooth version upgrade to Bluetooth 4.2, customer use better. 3. Product packaging volume and weight smaller and convenient transportation 4. Product price optimization compared with other styles has higher cost performance and stronger market competitiveness. Specification: Working voltage: DC5V Bluetooth version: V4.2+BR+EDR Support Bluetooth Protocol: Suppore a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/L2cap profile Effective distance: 10-15 meters / barrier free 30 meters Frequency: 2.402 GHz to 2.480GHz Distortion: -70db Data transmission rate: 300Kb/S Audio coding specification: SBC Transmission power: 4dbm Signal to noise ratio: >90db Sensitivity: -85db Bluetooth connection time: 5-7S Charge time: less than 1 hours. Standby time: less than 160 hours. Continuous working time: less than 8 hours Package Included: 1 X Motorcycle Helmet Earphone

Options: Description: 1. One button to set up the caller to answer automatically, to satisfy different environment of customers. 2. bluetooth version upgrade to bluetooth 4.2, customer use better. 3. Product packaging volume and weight smaller and convenient transportation 4. Product price optimization compared with other styles has higher cost performance and stronger market competitiveness. Specification: Working voltage: DC5V bluetooth version: V4.2+BR+EDR Support bluetooth Protocol: Suppore a2dp/avctp/avdtp/avrcp/hfp/spp/smp/att/gap/gatt/rfcomm/sdp/L2cap profile Effective distance: 10-15 meters / barrier free 30 meters Frequency: 2.402 GHz to 2.480GHz Distortion: -70db Data transmission rate: 300Kb/S Audio coding specification: SBC Transmission power: 4dbm Signal to noise ratio: >90db Sensitivity: -85db bluetooth connection time: 5-7S Charge time: less than 1 hours. Standby time: less than 160 hours. Continuous working time: less than 8 hours Package Included: 1 X Motorcycle Helmet Earphone