BT 6.0 Adapter USB BT 6.0 Dongle Plug & Play Wireless BT Transmitter Receiver for PC Speaker Wireless Mouse Keyboard

Support vehicle-mounted : No support Antenna Type : External USB Interface : USB 3.0 Bluetooth Version : Bluetooth 5.4 High-concerned chemical : None Model Number : BT640 Bluetooth Standard : Compatible Bluetooth v5.4 Brand Name : Shunmaii Origin : Mainland China Certification : None