ANLENG Bluetooth 4.0 USB Dongle Adapter Universal Plug Compatible with Windows 10 / 8.1 / 8, 7, Vista, XP, 32/64 Bit - 2 Pack With this ANLENG dongle you can easy connect computer/laptop with Bluetooth enabled devices such as cellphones, mouse, printers, keyboards, headsets etc. Newest Bluetooth v 4.0 class 2, low energy technology, backwards compatible with Bluetooth 3.0 2.1 2.0 and 1.0 equipment. Enhanced Data Rate (EDR) compliant for both 2 Mbps and 3 Mbps modulation modes with GOLD PLATED connector. Wireless range of up to 33ft/10m. Compatible with windows 10, 8.1 / 8, 7, xp, 32/64 bit. Warranty from ANLENG: 30-Day Money Back Guarantee, 6-month warranty.