BootKitchenTan Wireless 4.0 USB Dongle Adapter Universal Plug Compatible for PC with Windows 10 / 8.1 / 8 / 7 / XP,Vista Guarantee: 30-Day Money Back Easily connect computer/laptop to Wireless enabled devices such as cellphone, printers, headsets etc. Newest Wireless v 4.0 class 2, low energy technology, backwards compatible with Bluetooth 3.0 2.1 2.0 and 1.0 equipment. Backward support classic Wireless V3.0/2.1/2.0/1.1 Wireless range of up to 33ft/10m. Compatible with Windows 10, 8.1/8, 7, Vista, XP, 32/64 Bit