Features: 1.Using laser sense technology, 20 times higher effective sensing than common optical mouses Could apply for almost surfaces, including glass surface 2.400/800/1600dpi transferable resolution 3.Human engineering design, and without ball and mouse pad 4.Operating System: window/98/nt/2000/me/xp 5.Interface: USB and PS2 6.Power consumption: 20-40MA(DC5V) Packing size:47.5*27*35cm(20pcs) Weight:0.25kg If you are interested in this item,please give us email[...]

Specification: 1.white and silver ,have LED light, keynumber:105 keys; 2.LED ON to OFF knob; 3.worldwide legal registration patent;Operating System: window/98/nt/2000/me/xp 4.individual LED has long life up 10000 hours 5.safty:ce/fcc/bsmi/ROHS; 6.Travel distance:+/-0.2mm; 7.transparent[...]

1.Colored LED light background and incoming telegram induction of the mobile phone within 40CM 2.Key with life–span of 20 million hits 3.Compatible with any OS of Microsoft 4.plastic surface,U+P port Packing size:48*48*52CM(20PCS) 54.5*21*52CM(10PCS) Unit weight:0.76kg[...]