In ear Bluethooh Headphones Specifications:

* Bluetooth version: V4.1 + EDR,CSR8635

* Support: A2DP, Headset, Hands-stereo

* Battery capacity: 110mH with protection board

* Talk time: 8 hours

* Standby time: 250 hours 

* Effective distance: 10 meters (2 in 1Bluetooth headset)

* Charging time: 2 hours

* Charging voltage: DC 5V

Accessory: one user manual,universal micro usb cable

Available color:black,red,white or custom 


In ear Bluetooth Headphones Main Features:

1,2 in 1, it can connect 2 bluetooth device same time

2, IP4 waterproof, up to IP7 

3,call stable, clear voice with DSP(digital signal processing)

4, Long standy music play:8 hours

5,Answer/hang off,play,last/next song,volume control +/-, voice dialing,Tail redial, Caller ID, Intelligent Voice Prompt, Battery Display.