Share 4 USB 3.0 Peripheral Devices between two Computers: ULBRE USB 3.0 KVM Switcher is an ideal solution for office and home need. It allows two computers to share same peripheral gadgets, such as mouse, keyboard, printer, scanner, HD webcams. 4 USB 3.0 ports ensure faster and more stable data transferring (up to 5Gb/s, 10 times faster than USB 2.0). Button and LED indicattor design make everything easy. One-second switch, it can nearly achieve seamless switch. Operating Systems: Windows 10 / 8/ 7/ XP/ Vista (32-bit / 64-bit) * Mac OS X v10.3.9 or later * Sun Solaris * Linux Please note: This switch requires manual control to select the active computer port; it does not 'automatically' switch between ports.Using the provided 1.5M cables to connect the USB switch to your computers and to keep the USB cable which connects your peripheral to the USB switch under 6ft/1.8m.Please use Standard DC 5V USB Power Adapter if needed (Not Included in the package, sold separately). Any charger with higher voltage output is NOT allowed and may affect the product performance.2.4Ghz wireless devices, such as Wifi, wireless keyboard and mouse adapters, may not work stably in close proximity to USB 3.0 devices or hubs. Try using the host port or a USB 2.0 connection. Package: 1 pc * USB 3.0 Switch 2 in 4 out 2 pcs * USB 3.0 Data Cable 1.5m* Micro USB Power Port Provide charging function for high power consumption devicesPower adapter is not included USB 3.0 Data Transfer Supports ultra-fast USB 3.0 data transfer rates of up to 5Gb/s (10 times faster than USB 2.0) 2 Pcs USB 3.0 Data Cable 1.5 M USB 3.0 A to A Cable *2No need to buy USB cables for your computers separately. Installation Instruction 1. Use original USB 3.0 cables to connect two computers which will share same peripheral USB devices; 2. Plug USB devices into USB ports on the other side; 3. Press button on the panel to switch and the indicator will show which one is working; 4. If you need to connect high-power comsumption devices such as HDD, you could charge it via micro USB charging port to make it more stable.