... Keystroke life time over 5 million cycles, more durable.4. Compatible with Windows95/98/2000/ME/XP/NT/Vista/Win7, etc ... , anti-radiation, antistatic Mouse, Model: WQ-93Product Name: Bamboo Wireless MouseSize: 96*61.5*33mmN.W.: 0.08kgColor: naturalMaterial: bamboo1 ... wheel optical mouse, wireless, optical 2. High resolution: 1000 DPI 3. Button life over 5 million times4. Compatible with Windows 95/98 ...