*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
*Supports: Voice prompt, answer the phone   
*Function: Headset/Handfree/ A2DP/AVRCP Profile. 

China Manufacture Lanbroo Portable Wireless Earphones V4.1 Bluetooth Headphones

*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