Wireless earphones stereo Bluetooth V4.0 headphones

Main specifications:
* Bluetooth version: V4.1 + EDR
* Bluetooth profiles: HSP/HFP/A2DP/AVRCP
* Talktime: about 3-4 hours
* Standby time: about 100 hours
* Operation range: 10m
* Charging time: approximately 2 hours
* Charging voltage: 5V DC
* Colors: black and white
* Headset size: 40*18*8 mm
* Headset size: 7g
* Gift box size: 102*131*47 mm
* Full set weight: 76g
* Color: black
Futures:
* Supports 2 kinds of languages for option (English and Chinese)
Product features: (original import chip)
* Can connect 2 Smartphones at the same time
* Power display on Xiaomi/Apple mobile phones
* Answer/hang up calls, enjoy music, volume control, voice dialing, latest number redialing
* Use advanced digital signal processing (DSP) technology
* Can insert an external a headset line(universal Micro - USB charging interface)

Packing contents: 1*headset cable
1*headset cable
1*USB charging cable
1*USB charging cable