[Upgraded Ultra Slim & Silent Design] Our ultra-thin mouse mover is 16.5 mm thick and weighs 122g. Built-in compact, high-performance motors ensure quiet and smooth operation. This device helps keep your mouse active to prevent your computer screen from locking or going to sleep. The back-and-forth linear motion is discreet and consistent. (Please ensure the sensor area of your mouse is aligned with the wheel of the mouse mover.) [0.5H-1H-2H-4H Timer Settings] Press the timer button to set the countdown from 0.5 hours to 4 hours. Indicator lights represent 30 minutes, 60 minutes, 120 minutes, and 240 minutes. After the countdown ends, the device stops automatically. [Plug and Play] Operates via a 5V adapter or computer USB port. No software installation, Bluetooth connection, or additional programs required. Simple and convenient to use. [7 Dynamic Breathing Lights] Features 7 dynamic LED lights that enhance your workspace ambiance. Lights turn on automatically when powered. Press the light button briefly to cycle through 7 colors, or press and hold for 3 seconds to turn off the lights. [Versatile Use] Helps maintain computer activity during work, online meetings, gaming, or extended browsing sessions. Suitable for everyday use. Color: Black Material: Plastic Package Contents: 1 x Mouse Jiggler (other items not included) Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.