1). Style clip-on stable to wear.

2). Support A2DP,AVRCP,bluetooth headset,handfree profile

3) .Redial the last call ,Reject call.Volume adjustable.

4). Faster connecting,clear sound,anti-interference.

5). Listen to MP3 music from cellphone.

6). Listen to stereo music from PC.

7). On-line chat through BT wireless transmitter  

Specification:

1) BT protocol: version 2.1
2) Frequency: 2.4 GHz
3) BT range: 10meters.
4) Net weight: 28.5g
5) Power supply:DC5.1V/120Ma

6) Working volt: 3.7V
7) Battery: 

 rechargeable Li-Ion  battery   

Talking time:up to  4 hours   

Standby time: up to 80 hours   

Charging time: about 2 hours.

8) Color: Black,  Pink,  Blue,  Gray 

Accessories:

1).charger(optional)

2).USB charging line

3).User guide

4)Earphone