GEARONIC TM 300Mbps Wifi Wireless-N USB Micro Mini Adapter - Windows XP, Vista, 7, 8; Mac OS X 10.5 Greater; 2.4G 802.11ngb 32-Bit and 64-Bit Compatible Only compatible with Windows 7, Windows Vista, Windows XP, and Linux 2.4 or later. Includes: One (1) USB N adapter, one (1) quick installation guide/CD 100% brand new, 3rd party product Product of GEARONIC TM Brand New Ship from California!