Material: ABS plastic, anti-fingerprint, anti-scratch. Three Major Functions: Dual USB+dual frequency, providing two USB2.0 interfaces, one start button, restart button, and dual audio interface(input and output). Dual audio interface+dual USB interface. Extend the audio interface to the desktop, with smooth plugging. Dual USB interface, applicable to all USB interface devices, stable transmission, connect USB flash disk/mouse/keyboard,etc Internet Bar Anti-theft: With the desktop mobile switch, the computer case can be locked by pressing the power on and restart button on the desktop mobile switch. Prevents theft of valuable parts such as CPU/memory/graphics card via disassembly. Practical Design: The product can be connected with the corresponding interface on the main board of the computer, and there is a anti-theft block card on the product extension line, which is for the owner of the Internet cafe. The total length of product extension cable is 1.6 meters, which can be placed anywhere on your computer desktop Wide Application: Desktop mobile switch is applicable to Internet cafes/home/hotels/KTV/schools/companies etc. This product is only applicable to desktop computers, and notebook computers cannot be used. Use :Paste and fix, screw fixation Applicable model:Desktop computer host only Weight:140g Type:C:Dual USB and Audio Ports Colour:Black Material:ABS Size:78x78x15mm/3.07x3.07x0.59inch, Total length of switch wire: 163cm/64.17inch Package Contents: 1 * Computer Desktop Switch 1 * baffle with line 1* double-sided adhesive 1 * screw