Samsung Wireless Touch Mouse Smt-7000b 4 Buttons Laser Mice Black Compact<br /><br />Connection type: Wireless 2.4Ghz<br />Sensor method: Laser<br />Maximum sensitivity: 1600DPI<br />Size: 106(L)x 62(D)x 23(H)mm Weight: 65g<br />Using OS: WIN XP(32bit)/ V