Usage Tips:1. High Quality Material: ABS plastic, solid and durable, comfortable to handle, anti-fingerprint, anti-scratch.2. 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,which is convenient and fast to use,with quality and smooth plugging.Dual USB interface,efficient and safe to use,widely applicable to all USB interface devices,high-speed and stable transmission,easy to connect USB flash disk/mouse/keyboard,etc3. 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. Let the thieves who steal valuable parts such as CPU/memory/graphics card by disassembling the machine have no way to start.4. 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 is enough to be placed anywhere on your computer desktop5. Wide Application: Desktop mobile switch is widely used in Internet cafes/home/hotels/KTV/schools/companies/hotels/hotels, etc.Note:This product is only applicable to desktop computers, and notebook computers cannot be used.Use :Paste and fix, screw fixationApplicable model:Desktop computer host onlyWeight:140gType:C:Dual USB and Audio PortsColour:BlackMaterial:ABSSize:About 78x78x15mm/3.07x3.07x0.59inch, Total length of switch wire: About 163cm/64.17inchPackage Contents:1 * Computer Desktop Switch1 * baffle with line1* double-sided adhesive1 * screwOnly 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.