Model No.: MUQ Series Omni Scrolling RF Optical Mouse 8D Wireless Scroll Ball Optical Mouse with touch on / Rechargable crable feature: - Digital radio technology, 256 ID for Multi-Users - Scroll ball for X, Y Axis, 8-way scrolling - Up / Down / Left / Right at your fingertips - For Excel and Internet professional Models: - MUQ PT: 8D Scroll Ball RF Optical Mouse, 800 dpi, RF: 27MHZ, 1 Channel 256 ID, 3 buttons, with Touch On Features, Dry batteries, PS/2 Model - MUQ CT: 8D Scroll Ball RF Optical Mouse, 800 dpi, RF: 27MHZ, 1 Channel 256 ID, 3 buttons, with Touch On Features, Dry batteries, USB + PS/2 Combo Model
