1)Resolution:800DPI 2)With mini USB receiver 3)Reliable radio frequency technology 4)Comfortable ergonomic design 5)System requirements: Windows 98/ME/2000/XP Fronttek,offering all kind of computer peripherals such as Mouse, Keyboard, Multimedia Speaker, Headphone, Card Reader and Digital Audio & Video products such as Mp4, PSP, DVD-T TV and Portable DVD player.