Features: Printer sharing device, USB 2.0 sharing switch for 2 computers to share 4 USB ports, includes button switch and 2 USB cables One-button switching between 2 computers. Convenient and efficient, allows 2 computers to share 4 USB devices, plug and play. Supports USB devices such as keyboards, mice, USB printers, scanners, plotters, multi-function printers, and Bluetooth-compatible devices across 2 computers, helping save time and money. For HDDs, digital video cameras, and other high-power equipment, an external power supply may be required. When using high-power devices, ensure use of a standard 5-volt adapter for proper power supply. Plug and play, compatible with Windows, Vista, Linux, and other operating systems; no driver installation required. Specifications: Switch Type: Push Button Switch Size: approx 118x56x16mm / 4.64x2.2x0.63in Color: Black Output: 4 x USB 2.0 Input: 2 x USB 2.0 Note: Due to lighting effects and shooting angles, there may be slight color variations. Please understand. Please allow 0-1cm measurement deviation due to manual measurement. Package includes: 1 x USB 2.0 Switch 2 x USB Cables 1 x User Manual