KVM Switches four in one

Our company kvm series has built in 2 or 4 upstream usb device ports, 3
              downstream usb host ports, 1 ps2 host port and usb kvm control chip for switching
              control signals, up to 4 units.
              The pc shares a set of keyboards, mice, and displays.The connection between the PC
               and the device is in USB mode, which supports plug and play, no need to install
              drivers, and is easy to use.

Our hdmi series kvm switcher products have the following features:
        Support 1.5Mbps low speed and 12Mbps full speed USB transmission,
        compatible with USBV2.0.
        Supports Win98/ME/2K/XP/2003/Vista/Win7/Linux/Apple MAC and other
        operating systems.The downstream USB host port supports USB
        keyboard and USB mouse intermixing without specifying a port.
        Support ps2 keyboard.
        Support single-button round-robin switching,
        multi-key assignment switching and keyboard
        hotkey switching.Support automatic switching
        mode, easy to monitor, switching time interval
        can be adjusted.Support to switch the buzzer prompt.
        Support led indication,
        indicating the currently
        selected pc.Support 4 different
        keyboard switch hotkeys.
        The keyboard indicator status is automatically restored during the switch.
        Support HD video, high quality, clear, up to 1080p
        hdtv resolution.Excellent anti-static and anti-
        interference energy
        Hdmi interface fully supports hdmi 1.4, supports 4k
        resolution compatible with the following careful
        board integrity design, hdmi signal has better shielding effect