Hot-selling B6 Bluetooth Adapter Bluetooth Audio Receiving and Transmitting Unit for TV Computer $ 11.07 Supporting protocols: A2DP, AVRCP, HFP, SPP HID Receiving working current:43MA Transmit working current:60MA Standby current: <18MA Built-in battery: polymer 600MAH Charging current : 300MA Life time: >8H Bluetooth distance: >10M (empty place) Charging method: Micro USB 5V/0.5A Output connection mode: 3.5MM stereo interface Input connection method: 3.5MM stereo interface Compatible: Android, IOS system phone and PAD, and all Bluetooth audio devices, audio devices with audio input