Plug & play or free driver: plug and play for Win 8, Win 8.1, and Win 10. Supports Win 7, XP (driver required for Win 7, XP and could be downloaded from website free of charge). it is not compatible with Mac, Linux, TV. For laptop or computer, experience instant connectivity anywhere! | Bluetooth 5.1+EDR: Advanced Bluetooth 5.1 + EDR technologies enable your Bluetooth adapter to backward compatible with your Bluetooth 4.2/4.0/3.0/2.0 and deliver stable wireless to your devices. CSUPJEES Bluetooth dongle can conveniently enhance your non Bluetooth devices with Bluetooth feature. | Fast data transfer: Equipped with enhanced data rate and Bluetooth low energy, has greatly improved data transfer speed and operates at the optimal rate of power consumption. With the more advanced technology, this USB Bluetooth adapter will grant you up to twice the speed and four times the coverage compared to Bluetooth 4.0. | Ultra Compatible With Multiple Devices: Bluetooth adapter allows you seamlessly & simultaneously connect to 7 different devices. Please note: NOT work with Mac OS, Linux, Ubuntu,PS4, game controllers, car stereo systems or TVs. Our CSUPJEES Bluetooth Dongle Plug and Play Version 5.1 works seamlessly with Bluetooth-enabled devices including headphones, mouse, keyboard, speaker, cellphone, and more. | Ultra-Small Size: The stylish and compact design makes the Bluetooth receiver perfect for placing on a laptop or PC without even noticing it. You can easily carry it on your laptop without blocking the USB ports next to it. Enjoy our CSUPJEES Bluetooth Dongle anytime you need. Your satisfaction is our top priority. We manufacture the High Quality Bluetooth Dongle 5.1 for PC!