Features: Effortlessly manage multiple devices with seamless switching between four computers and four USB peripherals using this advanced KVM switcher, enhancing productivity and reducing clutter in any setup. Featuring four USB2.0 input and output ports, this USB switcher supports keyboards, mosue, printers, and other devices with plug and play convenience, double switching option (button or desktop controller), clear LED indicators, and broad compatibility across multiple systems. Ideal for IT professional, multi computer users, and office workers who need efficient control over multiple systems without constant reconnection hassles. Perfect for office environments, home workstations, or data centers where sharing USB devices like keyboards and mouse across computers streamlines daily tasks and optimizes space. Built with durability plastic construction, this computer peripherals switcher ensures reliabled performances and intuitived operating for smooth, uninterrupted workflow in demanding scenarios. Specifications: Name: USB Switcher 4 in 4 out Function: 4 computers to share 4 USB Device Input port: 4 USB Output port: 4 USB USB protocols: USB2.0 USB Type:USB A Switching button/Desktop controller Switches PC 1,PC 2,PC 3,PC 4 Power adapter: 5V 500mA Package Includes: 1PC USB Switcher 1PC Desktop controller 4PCS USB Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.