4-PC USB Sharing Device: Allows 4 computers to share USB devices like printers, keyboards, mice, and U disks, enhancing work convenience without damaging equipment. Keyboard and Mouse Sharing: Connect your mouse and keyboard to the sharing device to control four host computers with a single set, significantly boosting office efficiency. USB 2.0 High-Speed Transfer: Supports high-speed transfer of large files with stable and reliable signal transmission. Button Switching Design: Easily switch between computers with a simple button press, eliminating the need for frequent device plugging and unplugging. Wide System Compatibility: Compatible with Windows XP/7/8/10/Vista/Android/OS X 8.6 and higher systems, offering strong practicality. Item Type: 4 in 4 Out Switch Model: AM-UK404 Adapter Cable Length: Approx. 1.5 meters / 4.9 feet USB Interface Version: USB2.0 Power Supply Mode: USB 5V Compatible System: For Windows XP/7/8/10/Vista/Android/OS X 8.6 and higher. Package Includes: 1 x Switcher 4 x Adapter Cable 1 x User Manual