Kensington Computer Profit Wireless Full Sized Mouse Soft Rubber Grip Minimal Interference Input Device Type Mouse. Device Form Factor External. Connectivity Technology Wireless. Buttons Qty 5; Battery Type AA Type. Features Ergonomic, right-handed shape with soft rubber grip. Pointer speed quick-select button. Forward/back buttons. High-definition optical sensor (up to 1200 DPI) for responsive control. Plug and Play - no drivers required.