Three major functions: provide 1 USB 3.0 interface, 1 USB 2.0 interface, 1 power button, 1 restart button. Double USB interface, efficient and safe to use, widely applicable to all USB interface devices, high-speed and stable transmission, easy to connect U disk/mouse/keyboard, etc. With the internal cable of the host, if the key of the chassis is damaged, it can be rescued by moving the switch on the desktop. Internet cafe anti-theft: With the desktop mobile switch, just press the power-on restart button on the desktop mobile switch to lock the computer case. impossible for thieves who steal valuable components such as CPU/memory/graphics card through disassembly. The bottom is equipped with double-sided adhesive, you can tear off the sticker and on the desktop, which is convenient and quick to install. Wide range of applications: desktop mobile switches are widely used in Internet cafes/homes/hotels/KTV/schools/companies/hotels/hotels, etc. Colour:Black & White Material:PVC Size:8x8x2cm Package Contents: 1 * Computer Desktop Switch 1 * baffle with line 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.