Multi-Mode Setting, Desk Air, Screen Capture, 256K Onboard Memory, 2400 DPI 4-Level Adjustable, Adjustable 1000 Hz Report Rate, Silent Clicks, Right-Handed Fit, 2 Thumb Side Buttons [ Desk Air ] Dual Functions The innovative Air Mouse Function provides dual [Desk Air] usage modes, turn your mouse into a multimedia controller by simply lift it in the air. No software installation required.