... 0, V1.5, V1.1 Stereo Bluetooth Headset with mic Support Bluetooth A2DP, AVRCP, and HS/HF ... Noise cancellation Wirelessly enjoy stereo music from all bluetooth enabled devices such as mobile phones, iPad, ... Transmission frequency: CLASS2Operation frequency: 2.4026GHz-2.480GHz Charger output: DC 5.0V 300mA Charging time: 3. ... X 10.x, Android, Linux 2.4x1 X Bluetooth headset1 X USB cable1 X User manual ...