6D Wireless Optical Mouse * Dimension (W*H*D): 98*69*41mm * 2.4G Wireless technology with Nano receiver * Up to 10 meters operation distandce * Ergonomic design, comfortable hand touch * Extra Forward & Backward function * Newest optical technology with adjustable 800~1200~1600dpi * Lower power consumption * battery: 1*2A * Support Win 98/2K/NT/ME/XP/Vista/7, Linux,and Mac 10.0 higher version