Specificaiton:

 1) Bluetooth protocol:  BC 6130,version 2.1+EDR

2) Frequency: 2.4 GHz

3) Bluetooth range: 10meters.

4) Net weight: 10g

5) Power supply:DC5.0V/120Ma

6) Working volt: 3.3-4.2V

7) Battery:  rechargeable Li-Ion  battery

8) talking time:up to  13 hours

9) Standby time: up to 220 hours

10) Chargeing time: about 2hours.    

Accessory:

1).USB Charging line.

1).User guide.

Features:

1). Either the  ear hook or the ear pulg.

2).Support bluetooth headset,handfree profile

3).keep your conversation crystal  clear

4).working with most bluetooth cell phone

5).Muilpoint support 2 connections simultaneously

6) .Redial the last call ,Reject call.

7). Volume adjustable.

8). LED indicates connection.

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

10). Over-the-head Design

11). Noise canceling crystal clear sound

 Packing list: 

1 * Wireless earphone