From the manufacturer Link to Your Computer via Bluetooth UB500 makes non-Bluetooth PCs and laptops Bluetooth-capable so you can conne your Bluetooth devices to your computer and enjoy it with ease. With the latest technology, it supports up to 7 Bluetooth devices at once with a powerful wireless connection. Bluetooth 5.0: Faster Speed, Farther Coverage UB500 equips your PC with the more advanced Bluetooth 5.0 technology that has across-the-board upgrades compared to old versions. It runs faster and reaches further compared to Bluetooth 4.0 technology, ensuring a strong and stable wireless connection between your PC and Bluetooth devices. * EDR and BLE Technology Featuring EDR and BLE technology, UB500 enhances your wireless experience by giving you faster speeds for data transfer and the optimal rate of power consumption. Note: It can only conne to one BLE device at a time Nano-Sized- Plug and Forget A sleek, ultra-small design means you can insert the Nano receiver into any USB port and forget about it to utilize its functions Plug N’ Play for Windows 11, 10 and 8.1 For Windows 11, 10 and 8.1, just plug the Bluetooth dongle into computer to enjoy a fast, convenient Bluetooth connection (make sure your computer is connected to the internet). Windows 7 is also supported by installing the driver from TP-Link’s website* Please to review