... 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 computer mouse ... 1.5V/22mAPower supply 2 AAA batteriesType wireless,optical,3DSystem support Windows ME/98/2000/XP/Vista ...