Bluedio f2 ear noise

 Bluedio Hi TWS In-ear Wireless Sports Bluetooth Earphone 5.0 Stereo Sound with Charging Box Main Features:   Support face recognition:  take off the earphone and automatically pause (supported by the right earphone)   Stylish  appearance,  invisible ultra-small size Fit your ear perfectly for  comfortable wearing   With charging box  for long duration   Clear talking  and  premium sound quality Specifications: Response frequency (Hz): 20-20000 Impedance (ohm): 16Ω SNR (signal to noise ratio): 86dBm Sensitivity (dB): 92dB Talk time (H): 5 hours or so Music time (H): 5 hours or so Standby time (H): 1000 hours Charging time (H): 2 hours Battery capacity: earphone 55mAh, charging box 600mAh   Brand:  Bluedio Earphones type:  Hands-free Materials:  ABS Mainly Compatible with:  HTC,HTC One M9,iPad,iPhone,iPhone 5/5S,iPhone 6,iPhone 6 Plus,iPhone 6S,LG,Motorola,Nokia,SAMSUNG Functions:  Phone call answering,Song switch,Support music Package weight:  0.139 kg Product size (L x W x H):  4.80 x 2.26 x 0.50 cm / 1.89 x 0.89 x 0.2 inches Package size (L x W x H):  9.50 x 9.50 x 3.30 cm / 3.74 x 3.74 x 1.3 inches Package Contents:  1 x Pair of Earphones, 1 x Charging Box, 1 x Chinese-English Manual, 1 x Charging Cable  

Bluedio N2 Sports Bluetooth V4.1 Hands Free Earphone Dual Earplugs with Mic for Tablet PC Smartphone Main Features: - Suitable for all Bluetooth enabled device, eg: iPhone, Android Smartphone, iPad, Table etc.  - Light weight and portable, easy to carry - In ear style, very convenient when driving and doing sports - Come with S/M/L different sizes of earbuds for more comfortable wear - Wind noise reduction to improve the quality of conversations - Advanced technology, provides perfect sound quality - Volume control and song switch function - Hands-free allows you to answer the call and listen to stereo music anytime and anywhere Colour Available: Black or White (Please choose your colour when you check out) Specification: Bluetooth version: V4.1 Frequency range: 2.4GHz-2.48GHz Operating distance: up to 10m (free space) Bluetooth profiles: A2DP¿¿AVRCP¿¿HSP¿¿HFP Standby time: up to 160hrs Talk/music playtime: about 4 hours Charging time: about 2 hours Frequency response: 20Hz-20kHz Operational temperature: -10 to 50°C Package Includes: 1 x N2 BT headset 1 x USB charging cable 1 x User manual      

Bluedio N2 Sports Bluetooth V4.1 Hands Free Earphone Dual Earplugs with Mic for Tablet PC Smartphone Main Features: - Suitable for all Bluetooth enabled device, eg: iPhone, Android Smartphone, iPad, Table etc.  - Light weight and portable, easy to carry - In ear style, very convenient when driving and doing sports - Come with S/M/L different sizes of earbuds for more comfortable wear - Wind noise reduction to improve the quality of conversations - Advanced technology, provides perfect sound quality - Volume control and song switch function - Hands-free allows you to answer the call and listen to stereo music anytime and anywhere Colour Available:  White Specification: Bluetooth version: V4.1 Frequency range: 2.4GHz-2.48GHz Operating distance: up to 10m (free space) Bluetooth profiles: A2DP¿¿AVRCP¿¿HSP¿¿HFP Standby time: up to 160hrs Talk/music playtime: about 4 hours Charging time: about 2 hours Frequency response: 20Hz-20kHz Operational temperature: -10 to 50°C Package Includes: 1 x N2 BT headset 1 x USB charging cable 1 x User manual         ONLY HAVE WHITE COLOUR  

Do you want something different? With bold color scheme, T energy would catch your eyes 13mm large drivers together with Active Noise Cancelling technology allow it come with powerful bass and make you focus on the music you love Specifications: Bluetooth version: V4.2 Bluetooth operating range: up to 10m (free space) Transmission frequency range: 2.4GHz-2.48GHz Supported profiles: A2DP, AVRCP, HSP, HFP Driver units: 13mm Nominal impedance: 32 Frequency response: 20Hz-20KHz Sound pressure level(SPL): 116dB Standby time: up to 250 hours Bluetooth music/call time: up to 12 hours Pure ANC time: about 9 hours Fully charged time: about 1.5 hours Operating environment: -10 to 50 Charging voltage/current: 5V/>500mA Output power: 10mA+10mA In the box: T energy headphone TYPE-C charging cable User manual Ear tips (S, M, L)