5 Buttons wireless optical mouse MODEL: W11 Mouse Size: 120*60*30mm Receiver size: 100*100*67mm Resolution:800DPI Rating:3V~30mA key life over1,000,000 times Interface:USB.PS/2.U+P Compatible with windows 2000/XP/9X/ME/NT4.0 Radio frequency:27MHZ(2 channels) All-directional operation within the distance of 1.5m Two AAA batteries Automatic sleep mode for saving power Zoom-in and zoom-out functions Scroll up and down directly without moving your hands Extra[...]

8 keys multimedia optical mouse Model: X3 Size: 85*52*32mm Resolution:800DPI Key life over 1,000,000 times Interface:USB,PS/2,U+P Rating:5V~50mA Multimedia keys including volume up and down , page up and down, play and pause Precision optical sensor.works on most surfaces. Wheel scrolling technique. Scroll up and down at will. Comfortable sense of clicking . fingers are tireless for hours of use. Sleek and smooth.for both right and left hand operation.multi-color[...]