FOM Rapoo T120P Reliable 5GHz Wireless Touch Mouse Product Features Customizable Windows 8 shortcuts Tactile feedback vibration Four-way touch swipe Reliable 5GHz wireless transmission Color: Yellow, White, Green, Black, Red System requirements Windows XP/Vista/Windows 8, Mac OS X 10.4 or later, USB port Package Contents 1X Wireless mouse 1X Nano receiver 1X 2 AA alkaline batteries (pre-installed) 1X Quick start guide