Features:

1). On-line chat through Bluetooth wireless transmitter.
2). Support headset, handfree profile
3). Redial the last call, Reject call.
4). Volume adjustable.
5). LED indicates connection.
6). Faster connecting, clear sound, anti-interference

Specification:

1) BT protocol: Version 2.0
2) Frequency: 2.4 GHz
3) BT range: 10meters.
4) Net weight: 48g
5) Power supply: DC3.7V/60Ma
6) Working volt: 3.7V
7)Battery: Rechargeable Li-Ion battery
Talking time: Up to 8 hours
Standby time: Up to 150 hours
Chargeing time: About 2 hours.

Accessories:

1). USB charging line.
2). Glasses box
3). Glasses cloth
4). User guide.