1. 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
