This mouse controller has no memory or drivers and is plug and play, which is convenient for online classes, game winning, home office, remote operation. To prevent the computer from going to sleep, this mouse controller can simulate mouse movement. Further, it can control the mouse with high frequency continuous clicking. It is constructed of aluminum alloy material. The length of this product is 5.1cm, the width is 2.8cm and the height is 1.4cm. The mouse micro-actuator is compatible for Windows XP/7/8/10, for Mac OS, for Linux systems, etc. Item Name: Mouse Controller Material: Aluminum Alloy Features: Plug And Play, Drive-free, Wide Compatibility Installation Method: USB Driver-free Mode: Two Motion Trajectories Size Details: L: 5.1cm/2.01", W: 2.8cm/1.1", H: 1.4cm/0.55"(Approx.) USB Cable Length: 150cm/59.06" (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. Instructions: 1: Connect USB 2: Click, short press to start or pause 3: Press and hold to switch the motion track, mode 1 is for small-scale movement, and mode 2 is for large-scale movement Package Includes: 1 x Mouse Controller