USB Bluetooth 5.4 Adapter PC Dongle Stick Range for PC Laptop Mouse Keyboard
Bluetooth Version: Bluetooth V5.4. 1 x Bluetooth Compatible Adapter. Compatible with Bluetooth Versions: v1.2/2.0/2.1/3.0/4.0/5.0/5.1/5.2/5.3. Interface: USB 2.0. Frequency Range: 2.400-2.480 GHz. hope you could understand.