USB3.0 High-Speed Transmission Sharing Switcher, 2-in-4-out, Multi-Function Interface, Wide Compatibility, Plug and Play, Efficient Sharing, Support USB3.0*3, TF*1, SD*1, Supports Windows XP/7/8/10/Vista, Android, MACOS 8.6 and above Features: Efficient sharing: The USB 3.0 sharing switcher allows 2 or 4 computers to share a set of USB devices, such as keyboards, mice, printers, etc. Just press a button to freely switch between computers, improving work efficiency. High-speed transmission: Using the USB 3.0 interface, the transmission rate is up to 5Gbps, and it is backward compatible with USB 2.0/1.1. Whether it is a large file or a small file, it can be transmitted quickly. Multi-function interface: It has multiple interfaces such as USB 3.0*3, TF*1, SD*1, etc., which can connect various devices such as keyboards, mice, scanners, printers, U disks or USB HUBs to meet different needs. Wide compatibility: Supports Windows XP/7/8/10/Vista, Android, MACOS 8.6 and above, suitable for computers, smart TVs, Android phones, DVRs, and other devices. Plug and play: No need to install drivers, plug in and use, simple and convenient operation. Card reading function: Supports reading two cards at the same time, supports multiple cards such as SD/ SD/TF/SDHC/SDXC/ SDHC//MMC, convenient and fast. Specification: Color: Black  Material: Metal  UP Input: USB 3.0 port*2 Down Input: USB 3.0 *3,TF*1,SD*1 USB 3.0 transmission rate: up to 5Gbps Support Windows XP/7/8/10/Vista, Android, MAC OS 8.6 and above; Application scenarios: computers, smart TVs, Android phones, DVR, etc. Supports: SD/ SD/TF/SDHC/SDXC/ SDHC//MMC card etc Switch Way: Button Product size: 8*6*2cm Package size: 15*10*4cm Package weight: 210g Package list: 1* USB Switcher 2* USB3.0 cable 1* User manual