Wide Compatibility & Driver-free: USB 3.0 Switch selector is plug-and-play for Windows macOS Chrome OS and Linux computers. Just plug in and enjoy efficient work. (If the input PC only has a USB C port please use a USB C to A adapter instead of a USB C to A cable directly using the cable may not work.) High Power Devices Supported: USB Switch is designed with an extra Micro USB(5V 2A) power supply port. If you use some high-power devices such as HDD USB cameras headphones dockingstation microphone etc you may need to connect extra power for stable performance. (The power adapter is not included) One-Button USB Switch: With the USB switcher button and LED indicator design you can freely switch multiple USB devices between two computers with one click and clearly know the working status. 2 PCs Share Multiple Devices: 2 in 4 out USB 3.0 switch supports 2 computers share 4 USB devices like keyboards mouses U disk printers scanners USB cameras headphones etc. It's convenient for you to switch freely between your work computer and personal computer greatly improving work efficiency. (*Not a KVM switch and does not support a monitor or video transmission.*) Transfer Files in Seconds: With the 4x USB 3.0 ports USB Switcher supports up to 5Gbps data transfer speed. You can easily transfer data from U disk mobile hard disk to computer. It's backward compatible with USB 2.0 too. (*It is recommended to power supply when using multiple devices simultaneously to avoid disconnection due to insufficient power.*)