Surpass A+&reg; 2.4G USB Wireless Cordless Folding Mouse Mice Snap-in Transceiver for Laptop Computer Tablet PC Windows95/98/2000/ME/NT/XP/VISTA/7, MAC, LINUX. (Purple) Foldable wireless optical USB mouse 100% brand new and high quality Powered by: 2AAA battery (not included) Working distance: 10 metres Working for Windows95/98/2000/ME/NT/XP/VISTA/7, MAC, LINUX.