BH-M10b has more than 350 hours long standby time and 20 hours of continuous use and Compatible with all bluetooth cell phones,it beautifully works in office.Enjoy fun of wireless via an bluetooth 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). Multi-point supported: 2 connections simultaneously
3). Support headset,handfree profile

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

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

7). Simple pairing support

8). Flexible swivel boom microphone for left or right ear
9). On-line chat through bluetooth wireless transmitter

10).Over-the-head Design

Specification:

1) Bluetooth protocol: version 2.1+EDR

2) Frequency: 2.4 GHz

3) Bluetooth range: 10meters.

4) Net weight: 65g

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

6) Working volt: 3.7V

7) Battery:  rechargeable Li-Ion  battery

8) Talking time:up to  20 hours

9) Standby time: up to 350 hours

10) Chargeing time: about 3 hours.

Accessory:

1).Charger(optional).

2).USB Charging line.

3).User guide