Specification: Model: AM-KM804 Color: Black Name: 8 in 4 out Switcher Standard: USB2.0 Interface: USB*4, Type-C*8 Material: Metal Switch Mode: Button Switch Power Supply: 5V Item Size: 20.5*7.7*1.7cm/8.07*3.03*0.67in Item Weight: Approx.454g/16.01oz Features: 8 in 4 out design, enable to control 8 computers for sharing 4 USB devices,convenient and efficient. USB2.0 with high speed transmission,transfer big capacity files at high speed. No need to plug the printer cable,share one printer and reduce office costs. Plug and Play, support Windows/Mac OS/Android/Linux. Compatible with USB devices, mouse, keyboard, U Disk. Full metal design can protect the circuit board and reduce external interference. Packing List: 1*USB Shared Switcher 8*USB Cable 1*User Manual