*Fashionable color makes your life colorful
*Bluetooth: v4.1
*Speaker Unit: 10mm
*Impedance:32Ω±15%  
*SNR:110db  
*Distortion: <0.3%
*Frequency:18-20kHz 
*Transfer distance: 10m
*Battery Capacity: 60mAh
*Talk time: about 4.5 hours
*Music playing time: about 4 hours
*Standby time: about 150 hours
*Charging time: about 2 hours
*Case Material: ABS
*Color: Black,White,Red,Green
*Supports: Voice prompt, answer the phone   
*Function: Headset/Handfree/ A2DP/AVRCP Profile. 

Hot selling bike bluetooth sport earphone E505 with many colors optional made by lanbroo china wireless headset factory.

*Features:
Small and light design brings you comfortable during sport
A2DP + AVRCP: playing stereo music, remote control
Supports APTX/AAC (optional) for outstanding audio quality and professional sound
Special charging clip allows charging via ac power adapter or computer USB port
Pause music and play back automatically when receiving an incoming call
Call transfer between the headset and Bluetooth mobile phone
Automatically connects to the last connected Bluetooth device waterproof Bluetooth wireless earphone