It is easy and convenient to use this mouse jiggler because it is plug play, driver-free and needs no software. This mouse jiggler can simulate mouse movement, which can prevent computer entering sleep and keeps computer awake. It is constructed of abs material. The length of this product is 1.85cm, the width is 1.45cm and the height is 0.6cm. This mouse jiggler is suitable for laptop and desktop. Item Name: Mouse Jiggler Material: ABS Compatible System: for Windows, for Mac, for Linux Mode: Two (Small Range, Large Range) Features: Mini, Touch Control, Portable Size Details: L: 1.85cm/0.73", W: 1.45cm/0.57", H: 0.6cm/0.24"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Operation Method: 1, Power on: touch three times to power on or power off. 2, Switch mode: Touch continuously for 3 seconds in the running state to switch the mode. Package Includes: 1 x Anti-sleep Device 1 x User Manual