INTRODUCTION:

BH-M20 Compatible with all BT cell phones，it beautifully works in office.Enjoy fun of wireless via an BT dongle ，it works well with SKYPE，MSN，and VoIP.Crystal clear sound can thoroughly release your hands to enjoy your work!

Features:

1). Blocks 4 times the external noise

2). Crystal clear sound with DSP

3). Support A2DP，AVRCP，headset，handfree profile

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

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

7). Listen to MP3 music from cellphone.

8). Listen to stereo music from PC.

9). On-line chat through BT wireless transmitter

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

11). Over-the-head Design

Specification:

1) BT protocol: version 2.1+EDR

2) Frequency: 2.4 GHz

3) BT range: 10meters.

4) Net weight: 65g

5) Power supply:DC5.1V/120Ma

6) Working volt: 3.7V

7) Battery:  rechargeable Li-Ion  battery

8) alking time:up to  12 hours

9) Standby time: up to 250 hours

10) Chargeing time: about 3 hours.

11) Color: Black / White

Accessory:

1).Charger(optional).

2).USB Charging line.

3).User guide.