Features: 1. By connecting the mouse and keyboard to the USB KVM Switcher and achieve control 4 computers with a set of mouse and keyboard, more efficient for office. 2. Compatible with a variety of USB devices, such as mouse, keyboard, U disk, hard disk, card reader, printer, scanner, etc. 3. Reduce the office cost by sharing a printer with colleagues without plugging or unplugging the printer cable. 4. No need to drive, plug and play, compatible with most computer operating systems. 5. Button switching design, press gently to switch to the next computer. 6. The all-metal housing protects the circuit board while reducing external signal interference. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow slight deviation due to manual measurement. 2. Objects may have Logo, if you want to know, please contact us. If you mind, please do not bid. Specification: Type: USB KVM Switcher Product size: 10 * 7 * 2CM Standard: USB 2.0 Interface Switching Mode: Button Switching Power Supply: USB Powered Material: Metal Color: Black Support speed: up to 480Mbps; backward compatible with USB 2.0/1.1 devices Application scenarios: computers, smart TVs, Android phones, DVR, etc. Product Function: for sharing USB devices like USB printer, scanner, external drive, or other USB device with four computers (four computers share one set of keyboard and mouse), and you could freely switch between these four computers when connection to a USB device by a single push button Package List: 1 x USB KVM Switcher 4 x USB cable 1 x user manual