... 0, V1.5, V1.1 Stereo Bluetooth Headset with mic Support Bluetooth A2DP, AVRCP, and HS/HF profiles ... Noise cancellation Wirelessly enjoy stereo music from all bluetooth enabled devices such as mobile phones, iPad, ... PC, laptop, PS3, Xbox and so on.Bluetooth specification V2.0, up to 10 metersBuilt-in ... frequency: CLASS2Operation frequency: 2.4026GHz-2.480GHz Charger output: DC 5.0V 300mA Charging time: ...