1. Designed for Microsoft Surface Go converts one USB port of the computer to three (USB3.0 + USB2.0 + Micro USB) and provides 3 card slots (SD + 2 TF) for file transfer Memory card and Surface Go tablet.
2. A variety of different needs of the port add a USB 2.0 port and a USB 3.0 port for various USB devices and Surface accessories data transfer rate up to 5Gbps add SD / TF card reader to support SD SDHC MMC4.0 Micro SD and Micro SDHC cards.
3. Micro USB input that allows the insertion of a Micro USB power supply to provide additional power to heavy-duty power peripherals such as external hard drives.
4. Plug and play no need to install drivers / no external adapters and wires just plug in and use.