Features 4 Ports:For sharing 4 USB or HDMI compatible devices such as scanners, USB hard drives or other USB devices without constantly changing cables. Shared mouse and keyboard:Use only one set of keyboard, mouse and monitor to control your laptop or game console. System:Compatible with Windows/Mac OS Support hot-plug, connect or disconnect device to kvm switch without shutting down the device. Material:The shell is made of aluminum alloy, which is rust-proof and heat-resistant, extending the service life of the USB switch. Simple operation:The plug-and-play design is easier to use without any app.Multifunctional: The compact design reduces office expenses and saves a lot of space. LED indicators make it easy to know which computer you can control.Specification- Material: aluminum alloy- Input: 4 x usb and 4 x hdmi compatible- Output: 1 x hdmi- Image Quality: 4k x 2k @ 60hz- Toggle Mode: Button/Controller- Compatible system: win7/win10/mac- Dimensions: 110x60x33mm (approximately)- Colour: BlackPackage includes1* KVM Converter4* USB data cable1* USB desktop control cable1* USB power cable1* Controller1* English manual