• Bluetooth 5.3 + EDR provides faster 3Mbps data transfer and lower power consumption. • Backwards compatible with Bluetooth 2.0/3.0/4.0/5.0/5.1/5.3 devices. • Connects up to 7 Bluetooth devices simultaneously (headsets, speakers, keyboards, mice, phones, game controllers). • Plug and play on Windows 8.1/10/11 (no driver installation required). • 20m (66ft) range allows for wireless connectivity across a room. • USB adapter for PC provides Bluetooth connectivity to devices without built-in Bluetooth. • Bluetooth 5.3 improves connection stability and reduces interference.