BT 5.4 Adapter Wireless Dongle for BT Keyboard/Mouse/Headphone/Speaker
BT 5.4 Adapter USB BT 5.3 Dongle Plug and Play Wireless BT Transmitter Receiver for PC Mouse Keyboard Headphones Speakers. BT version: BT5.4 (LMP: 13. 1 x BT 5.4 Adapter. If item is defective after 3 months, you can still send it back to us. ).