Fangrui Product Details [upgraded Ultra Slim Silent Design] Our Ultra Thin Mouse Mover Is Only 16.5 Mm Thick And Weighs 122g Net Weight. Built In A More Smaller And Higher Power Motors, Making The Mouse Jiggler Quiet And Undetectable. This Mouse Shaker Keep Your Mouse Active All The Time And Prevent Your Computer Screen From Locking And Going To Sleep. The Back-and-forth Linear Motion Cannot Be Detected. (please Make Sure The Sensor Area Of Your Mouse Is Casting On The Spinning Wheel Of The Mouse Mover.). [0.5h-1h-2h-4h Timers] When The Mouse Mover Device Rotates, Click The Timer Button To Set The Countdown From 0.5 Hours To 4 Hours. Each Set Of Lights Represents 30 Minutes, 60 Minutes, 120 Minutes And 240 Minutes. After The Countdown Ends, The Mouse Mover Device Turntable Stops. [plug And Play] The Mouse Jiggler Use A 5v Adapter Or A Computer Usb Port, No Need To Install Any Software, No Other Programs Or Connections To Bluetooth. Easy To Use. [7 Dynamic Breathing Light] Our Mouse Shaker Has 7 Dynamic Lights, Gorgeous Lights,