Transmission speed: 3Mbps
Bluetooth V5.0 compliant. Compatible with Bluetooth 2.0 / 3.0 / 4.0
Universal USB Type A interface version: USB2.0 / 3.0 / 4.0 / 4.2
System Supports: Windows 7 / 8.1 / 10 (Unsupported Mac)
Frequency Range: 2.4GHZ (2402-2480MHZ)
Receiving / Sending range: Up to 20m