Rocketek Low Energy USB Bluetooth 4.0 Adapter - Support Windows 10, 8, 7, XP, Linux; Classic Bluetooth and Stereo Headset Compatible usb 4.0 dongle A must have Bluetooth Adapter Compatible with 32 bit and 64 bit Windows10, 8, 7 / Vista / XP and Linux PCs. Connect your Computer/Laptop with Bluetooth Enabled Devices such as Mobile Phones, Printers, Headsets, Stereo headphones and others One Bluetooth Dongle can connect up to 7 devices simultaneously. Wireless range of up to 30 feet (10 meters) Latest Bluetooth specification v4.0 Class 2 with low energy technology; Fully compatible with older Bluetooth equipment; 2 years Manufacturers Warranty. Warm Tip: The Bluetooth 4.0 Adapter is plug & play on Win7 and above OS for mouse, keyboard and cell phone. For the Headset / Speaker and other bluetooth devices, please install the Bluetooth Driver from rocketek.hk