This Sports Bluetooth Earphone is independently developed， Have design patents， Can Customized Your  LOGO Free.

Specificaton:

*Bluetooth version : CSR V4.1+EDR
*Bluetooth profiles:HSP/HFP/A2DP/AVRCP  
* Talk Time: about 8hours
* Standby time: about 220 hours
* Operation Range:10m
* Charging time: Approximately 2 hours
* Charging Voltage::DC 5V
*Color:Black，RED，WHITE
*Headset size:5.8*1.3*0.5CM
*Headset weight:7g
*Gift box size:135*90*25 mm
*Full set weight:55g

Functions:

*Super Long standby and talk  time
*voice prompt ; speaking out the incoming call number and Yes/No to answer/ reject the incoming call.
*Can connect 2 Smartphones at the same time                                                

*Power Display on Xiaomi/Apple mobile phones
*Answer/hang up calls， enjoy music， volume control， The latest Number Redialing
*Use the advanced digital signal processing (DSP) technology                  
*Can insert an external a headset line(universal Micro - USB charging interface)

Standard Accessories: