This Is a Ugreen Cm390 Usb Bluetooth 5.0 Adapter (Model 80889)

Technology: Uses Bluetooth 5.0+EDR and Bluetooth Low Energy for fast, stable connections with anti-interference capabilities. Compatibility: Compatible with Windows 11/10/8.1, allowing connections for mice, keyboards, and headsets. Range: Provides a broad operation range of up to 20 meters.