Features: 1.Adjustable Timing: Mouse shaker device has an adjustable interval timer, four settings are 0.5H/1H/2H/4H, according to your setting choice, the mouse shaker will work intermittently. 2.2 Power Supply Methods: The mouse mover can be powered by external adapter or through the USB port of PC, laptop, Hub, docking station, etc. 3.Super Silent Micro Motor: Mouse mover uses a compact super silent micro motor that makes little to no sound when the mouse shaker is working. 4.Simple Operation: Simply put the mouse on the big mat and press the switch, it will work automatically, suitable for wireless mouse and wired mouse, almost all optical mouse (excluding trackball mouse). 5.Plug and Play: Mouse mover is compatible with all operating systems for Windows, for OS X, for Linux system, etc. Driver free and plug and play. specification:Item Type: Undetectable Mouse Mover Material: ABS Size: Approx. 132 x 122 x 30.2mm / 5.2 x 4.8 x 1.2in Power Supply Interface: USB C Timing: 0.5H/1H/2H/4H PackageList:1 x UndetectableMouseMover 1 xUSB Cable 1 xUser Manual