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!

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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

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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

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Accessory:

1).Charger(optional).

2).USB Charging line.

3).User guide.