1. USB Bluetooth 5.0 adapter, computer connected to Bluetooth headset, Bluetooth mouse, keyboard, Bluetooth speaker, mobile phone / tablet, etc., easily enjoy music, transfer files. Entertainment during work 2. Bluetooth 5.0, Bluetooth 5.0 dual-mode chip, faster than Bluetooth 4.0 transmission, lower power consumption, more stable signal, longer transmission distance (up to 20m) 3. Plug and play, no need to drive, directly plug the adapter into the computer USB interface to achieve Bluetooth connectivity (install the full version of the driver, the computer can be connected to the Bluetooth headset / stereo) 4. Compatible with Bluetooth 4.1/4.2/5.0 devices, When the computer is 8/ 8.1/ 10 system, Bluetooth 4.1/4.2/5.0 is automatically compatible and matched 5. Small and exquisite, easy to store, travel is easy to carry, connect Bluetooth anytime Product name: Bluetooth 5.0 adapter Colour: Black Material: ABS+Metal Bluetooth version: 5.0 Interface type: USB Transmission rate: 10 (Mbps) Working frequency: 2400 (MHz) Maximum transmission distance: about 20 meters Product size: 23x14.5x5.3mm Package Contents: 2 * Bluetooth Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.