Connector: USB 2.0 / PS2 For windows 98/me/2000/xp/Vista 7 and Mac osx Compact & ergonomic design, easy-to-grasp Red flash light for front, top & buttons Comfortable touch Thin & soft cable with slim USB connector Buttons life over 1 million times Size: 35 x 101 x 55mm High Resolution: 800DPI Color: Blue