Specificaiton:
Frequency: 2.4 GHz
Bluetooth range: 10meters.
Power supply:DC5.0V/120Ma
Working volt: 3.3-4.2V
Battery: rechargeable Li-Ion battery
talking time:up to 13 hours
Standby time: up to 220 hours
Chargeing time: about 2hours.
Features:
1. Either the ear hook or the ear pulg
2.Support bluetooth headset，handfree profile
3.working with most bluetooth cell phone
4.Muilpoint support 2 connections simultaneously
5 .Redial the last call ，Reject call.
6. LED indicates connection.
7. Faster connecting， clear sound， anti-interference
8. Noise canceling crystal clear sound.

Packing:
1 X Bluetooth  Stereo Headphone