Wansurs Bluetooth 5.1 + EDR Adapter: Equipped with the state-of-the-art Bluetooth 5.1 + EDR technology, this USB adapter takes interference resistance and stability to the next level. It minimizes transmission efficiency loss caused by interference in the 2.4 GHz frequency band.- Enhanced Connection Stability: Thanks to Bluetooth 5.1, the Wansurs dongle offers a rock-solid connection, transmitting data at a rate of up to 3Mbps. With Bluetooth low energy (BLE) and dual-mode Bluetooth transmission features, this device ensures faster data transfer speeds. In an open space, it can transmit data up to an impressive 32ft (10m).- Broad Application: This wireless Bluetooth adapter can link a myriad of devices, from Bluetooth speakers and keyboards to headsets and mice. It's perfect for enjoying music while wirelessly transferring files, making the most out of your Bluetooth adapter.- Compact Design: With its sleek and compact design, the Wansurs Bluetooth receiver fits perfectly onto your laptop or PC, practically unnoticed. It's easy to carry with your laptop and won't obstruct neighboring USB ports.- System Compatibility: Please note, the Wansurs USB Bluetooth adapter is compatible exclusively with Windows 11 / 10 / 8.1 / 8 / 7. It does not support Mac, Linux, TV, car stereo, PS4 or Xbox. Driver installation is required. It remains backward compatible with Bluetooth 4.2/4.0/3.0/2.1.