Mini gift optical mouse LD-317 Optical computer mouse Relevant parameter: -Product Type: Optical Mouse -Resolution: 800DPI ~ 1600DPI -Key number: 3 keys -Port: USB or PS/ 2 or combo -Cable: Standard 1.5m pure copper line -Working Voltage: 5V ± 0.5 -Working Current: & le; 50 mA -Systerm Support: Windows 7 / MAC OS / 2000/ XP / ME NT Functions: 1. Fast speed optical mouse, ergonomic design, lines moving fluency, comfortable holding 2. The housing of mouse are use the pure ABS material, comfortable and smoothly 3. PRO-enviroment and durable life 4. High quality IC from Taiwan, sonsor positioning accuracy 300, 0000times switch life, durable life 5. High quality teflon rubber foot, make moving more smoothly