1、USB Device Sharing: This USB 3.0 switch allows two computers to share a USB device and switch freely in both directions. 2、Widely Compatible: This USB sharing switch is compatible with more USB devices, to expand various USB devices, such as U disk, printer, card reader, mouse and keyboard, scanner, etc. 3、High Speed: This USB 3.0 switcher supports high speed USB 3.0 data transmission and is backward compatible with USB 2.0 and USB 1.1 devices. 4、Plug and Play: This USB printer sharing switch supports plug and play, suitable for OS X laptop, for Linux, for Win XP, for Win 7, for Win 8, for Win 10. 5、Please Note: This USB switch selector requires 5V external adapter when using a high power USB device. Item Type: USB 3.0 Switch Selector Material: Metal Uplink Input Port: 2 x USB3.0 (Connect to USB of Computer Host) Downlink Input Port: 1 x USB3.0 (Connect to Keyboard, Mouse, Scanner, Printer, Usb Flash Drive, Etc.) Power Port: Micro USB Applicable System: For Win XP, 7, 8, 10, for Vista, for Android and OS X Laptop 8.6 or Above Application Scenarios: Computer, SmartTV, for Android Phone, DVR, Etc 1 x USB 3.0 Switch Selector 2 x USB Cable 1 x Extended Line 1 x User Manual