Specifications:
*Fashionable color makes your life colorful
*Bluetooth: v4.0
*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
*Size: 14.5*45*33mm
*Weight: 30
*Color: Black,White,Red,Green
*Supports: Voice prompt, answer the phone   
*Function: Headset/Handfree/ A2DP/AVRCP Profile.

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