New Style Anti-Interference Sporting Music Bluetooth

New Style Anti-Interference Sporting Music Bluetooth Features:
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)chipset:CSR
Battery: rechargeable Li-Ion battery
Talking time:up to 5.5 hours
Standby time: up to 140 hours
Charging time: about 2 hours.
8) Color: Black