Multiple Uses: Bluetooth 5.1 USB Adapter can easily add Bluetooth feature for your computer, enables the computer to wirelessly connect 7 Bluetooth devices at the same time such as Bluetooth headphones, speaker, keyboard, mouse, smartphone, printer, projector, gaming controller and more Bluetooth devices Enable Bluetooth Compatibility: For Windows 11/10 / 8 .1/ 8 / 7 Laptop or desktop computer. Turns Non-Bluetooth PC or laptop into Bluetooth-capable. It is NOT compatible with Mac, Linux, TV or Car stereo systems Realtek BT5.1 chip, dual-mode, high-speed transmission: Bluetooth adapter adopts BT 5.1 technology(Backward compatible 2.0/3.0/4.0/5.0),SMD ceramic antenna, bluetooth dual mode, transmission speed up to 3Mbps,10-20M barrier-free transmission, very low power consumption and reduce transmission interference losses Easy to Use: Before plugging the Bluetooth 5.1 USB Adapter into the USB port, please FIRST install drivers via MINI CD disc, or contact us for download driver to insta