3 PCS Bluetooth V5.0 Adapter Computer Notebook USB Bluetooth Keyboard Audio Receiver Main-Computer & Networking General Compatible with OPPO: A94

General Compatible with OPPO:  A94

Mouse Size 12

4) Able to optimise signal transmission

General Compatible with Vivo:  V21 5G

3 PCS Bluetooth V5.0 Adapter Computer Notebook USB Bluetooth Keyboard Audio Receiver Main-Computer & Networking General Compatible with OPPO: A941. Version: V5. 0 2. Interface type: USB 3. Maximum transmission distance: about 20 m 65. 62ft. 4. Transmission speed: 10 Mbps 5. Working frequency: 2400 (MHz) 6. Realize wireless music listening, 20 meter transmission, and file sharing 7. Solve the problem that the computer has no bluetooth and has no effect on the WIFI signal 8. Multi device expansion 9. Size: about 2. 3 x 1. 45 x 0. 53 cm 0. 91 x 0. 57 x 0. 21 inches 10. Weight: 15 grams