Features: 100% brand new and high quality. Wireless optical mouse positioning, accurate and reliable, can smooth a variety of surfaces, including wood, plastic and metal, and even on your clothes. Up to about 16000000 kinds of ID coding design, enhance the anti-jamming characteristics of the mouse. Arbitrary 360 around the use of angle, as far as the control distance of more than 10 meters. Unique circuit management design makes wireless mouse more power saving. Wireless mouse can mediate resolution 1600dpi, enjoy your wireless space. System requirements: for Windows95/98/2000/ME/NT/XP and above. Specifications: Material: plastic DPI: 1600 DPI Keys: 4 Color:pink, red, green, black, orange, silver Size:9.5*6*3cm Package Contents: 1 x Wireless Mouse 1 x Receiver Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight deviation for the measurement data.