... *255mm,ABS material,Avago chipset,ergonomic HASU wired optical computer mouse trapoptical wired mouseSeriesmouse,wired mouse,optical mouse,laptop ... mouse,desktop mouse,computer mouse,PC mouse,gift mouse,3D mouseNameHASU wired optical ... timesRated working voltage/current DC 1.5V/22mAPower supply 2 AAA batteriesType wireless,optical,3DSystem support Windows ME/98/ ...