UGREEN USB-A Bluetooth 5.3 Adapter is a compact device that allows you to add Bluetooth functionality to your PC. It supports Bluetooth 5.3 with BR+EDR and BLE, and can connect up to 5 Bluetooth devices simultaneously. With a transmission distance of up to 20 meters without obstruction, it provides a stable connection. This adapter works in the frequency range of 2.402GHz to 2.480GHz and supports a variety of Bluetooth profiles. It is compatible with Windows 8.1, 10, and 11, but does not support Apple devices. The adapter is made of durable ABS material and includes an LED indicator for status.