This mouse mover provides three movement modes,With switch button: random mode, eraser mode, and snail mode, which make the cursor move automatically with multi-tracks. With power-off memory function: save the last mode you used, when you turn it on next time, it continue to the mode when it was turned off, and you not next time. Let the computer keep the computer awake, and you are not afraid of the black screen of the computer when you have a meeting or speech. This product developed follows the development protocol of mouse device. for computer it's a wired mouse, not an unknown USB device. Drive-Free: No software/driver, just plug it into computer, the cursor start to move. Compatible with for Win 7/8/10/11, Android, for , and for Linux etc. Mini size design makes it easier to carry and use. All metal design, more texture. Material: Metal colour: As shown Package Contents: 2 x USB Mouse Mover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.