iFutniew USB Bluetooth 5.4 Dongle Adapter for PC Keyboard Speaker Music Audio Receiver Transmitter Bluetooth

Supported operating systems: 8.1, 10, 11 (driver-free, plug and play) 7 can be installed with drivers. 5.4 Bluetooth dual mode dual channel, compatible with Bluetooth 2.0, 3.0, 4.0, 5.0, 5.1 and 5.3 . Support Cass2 Power level 20 meters distance (in open environment) Intelligent low-power chips and radio frequency transceivers provide flexible and powerful Bluetooth applications with lower latency Supported protocols: HFP/ (hands-free phone/headphone) A2DP/ AVRCP (stereo music) HID/HOGP (keyboard and mouse)/ACC. Android smartphones, etc.