USB Bluetooth 5.4 Adapter for PC Wireless Mouse Keyboard Speaker 1

Supported operating systems: 8.1, 10, 11 (driver-free, plug and play) 7 can be installed with drivers. 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 5.4 Bluetooth dual mode dual channel, compatible with Bluetooth 2.0, 3.0, 4.0, 5.0, 5.1 and 5.3 specifications. Supported protocols: HFP/ (hands-free phone/headphone) A2DP/ AVRCP (stereo music) HID/HOGP (keyboard and mouse)/ACC. Android smartphones, etc.