Bluetooth version: V3.0 + EDR

Support agreement: the Headset Profile, HandsFree Profile, A2DP Profile, AVRCP Profile

Operating frequency: 2.4 GHz

The chip type: SCR

Transmission distance: 10 m

Charging power supply: AC Input 110-240 - v, DC the out put 5 v

Music time: about 3.5 H

Time: about 5 h

Standby time: about 160 h

Cw8403 headset/silicone ear cap + blister packaging + + certificate of approval of manual/MICRO USB5P charging line + headset line