iClever IN-8510-40 Bluetooth 4.0 USB Adapter Dongle - For Windows 8 / Windows 7 / Windows XP/Vista(Not for Mac) Simply connect your desktop/laptop PC with Bluetooth-enabled devices such as Keyboards, Mice, Headsets, Headphones, Speakers, Printers, Tablets, Cameras and others Latest Bluetooth specification v4.0 Class 2 with low energy technology; Fully compatible with older Bluetooth equipment Compatible with Windows XP, 2003, Vista, 7, 2008 and Windows 8 (Both 32Bit and 64Bit). Additionally, Backward compatible with Bluetooth versions 3.0, 2.1 and 2.0 profile equipment Support extra-long distance data transmission 30 feet (10 meters). Through dual-mode transmission achieve more stable Bluetooth connection