External Bluetooth adapter adds Bluetooth connectivity to compatible laptops, desktops, and other devices for audio streaming and data transfers Advanced Bluetooth 5.0 technology maintains a stable connection and promises wider coverage and improved transfer speeds compared to Bluetooth 4.0 Lossless audio transmission lets you enjoy your tunes with rich and detailed sound clarity on your Bluetooth headset Connects with a maximum of seven devices at once Small size nano USB adapter fits easily into the port and can be left there as long as you need Bluetooth connectivity Compatible with Microsoft Windows 7, Windows 8.1, Windows 10, and Windows 11 operating systems