Features: Pug-and-play.no need to download software- or operator. The mouse wobble can be powered by an external adapter or by the USB port of a PC, laptop, hub-, docking station, etc. Mouse pads work with both wireless and wired-mice, almost all optical mice-. Mouse shaker uses physics to automatically simulate the process of using a mouse undetectable mouse movement device! Ultra-quiet, long-lasting durability, more stable and durable than other products- on the marketing. Specifications: Item:LED Mouse Mover Operating Systems- : for WindowsXP/7/8/10 Linux-systems, etc. Size:approx 132x122x30.2mm/5.2x4.8x1.19in Material: ABS-Black Voltage:5V Current：less than 500mA Connector: USB-Type-C Color: Black/White Cable：approx120cm/47.24in Weight:250g Package Includes: 1PC LED Mouse Mover 1PC Cable note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.