Brand new and high qualityBluetooth V2.0, compatible with V2.0, V1.5, V1.1 Stereo Bluetooth Headset with mic Support Bluetooth A2DP, AVRCP, and HS/HF profiles CVC software Echo and Noise cancellation Wirelessly enjoy stereo music from all bluetooth enabled devices such as mobile phones, iPad, PDA, Tablet PC, PC, laptop, PS3, Xbox and so on.

Bluetooth specification V2.0, up to 10 metersBuilt-in rechargeable 460mAH Li-on battery (charge via USB port)Transmission frequency: CLASS2Operation frequency: 2.4026GHz-2.480GHz Charger output: DC 5.0V  300mA Charging time: 3.5-4 hoursTalk time: not less than 22.5 hours Music time: not less than 16 hours Standby time: not less than 180 hours Dimension: about 171 x 159 x 69 mm Support Microsoft Windows 98/SE/ME/2000/XP/Vista/7, Mac OS X 10.x, Android, Linux 2.4x

1 X Bluetooth headset1 X USB cable1 X User manual