USB 3.0 sharing switch allows multiple computers to share USB devices such as printers, scanners, external drives, SD/TF cards, and other USB peripherals. It enables 2 or 4 computers to share one keyboard and mouse, with easy switching between connected computers using a single push button.Features: Upstream input: USB 3.0 port x 2 (or 4 ports) connects to computer hosts Downstream input: USB 3.0 x 3, TF x 1, SD x 1 connects to keyboard, mouse, scanner, printer, USB flash drive, or USB hub USB 3.0 data transfer rate up to 5 Gbps; backward compatible with USB 2.0/1.1 Supports Windows XP/7/8/10/Vista, Android, and macOS 8.6 and above Suitable for use with computers, smartphones, Android devices, DVRs, and more Supports simultaneous reading of two memory cards Material: ABS Color: Black Package Contents: 1 x switch 2 x USB 3.0 cables Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.