Feature: 1. Three Track Modes: The USB dither has three dithering modes, Track 1 (default), Track 2, and Track 3. This product has a memory function, and boot will follow the same trajectory as the previous one. 2. Undetectable: This mini Mover is made of an aluminum alloy shell, which is very and portable. When connected to a computer for the first time, it will be recognized as a "USB composite device,". So don't worry about IT being recognized by IT software as unknown/unsafe devices, unless your computer does not allow access to the . 3. With Power ON/OFF: This shake has an on/off/mode switch button. Press and hold the ON/OFF switch for 4 seconds, and the indicator light comes on, indicating that the product has been turned on; Press and hold the ON/OFF switch for 4 seconds again, and the indicator light goes out, indicating that the product has been turned on/off. 4. Plug and Play: This mover does not require any software/programs to be installed. Simply plug it into the USB interface of the computer to avoid repeatedly plugging and damaging the USB interface of the computer. 5. Strong Compatibility: This shake is suitable for applications such as online meetings, online , online reading, remote connections, and so on. Compatible with most operating systems on the market, such as for Win XP/Win 7/Win 10/forMac OS/Android, which keeps your computer active to maintain your for team, for Skype, for Webex, for Lync, and more. Specification: Material: Aluminum alloy Interface: USB Compatibility: Supports for Win XP/Win 7/Win 10/forMac OS/Android systems Size: About 21x15x6.5mm/0.82x0.59x0.25inch Net weight: 4g color: Black Package Contents: 1 x Mover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the itemin the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.