1). Necklace type design. Parts of the headset are magnetic,The convenience takes.

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 Bluetooth wireless transmitter

Specification:

1) Bluetooth protocol: version 2.1

2) Frequency: 2.4 GHz
3) Bluetooth range: 10meters.
4) Net weight: 23g
5) Power supply:DC5.0V/120Ma

6) Working volt: 3.7V
7) Battery:  rechargeable Li-Ion  battery

   Talking time:up to  5.5 hours

   Standby time: up to 150hours

   Charging time: about 2 hours.

8) Color: White and Black

Accessories:

1).Charger(optional)

2).USB charging line.

3).User guide.