Multi-function surface pro docking station, a high-speed USB3.0 port and a USB2.0 port, a TF card slot, an SD card slot for surface pro 3/4.
1, USB 3.0 high-speed transmission speed, backward compatible with USB2.0 / 1.1 / 1.0
2, With a card reader, a TF card slot with an SD card slot.
3, Plug and play, support hot-swappable, reserved mirco USB power supply port, with high-power equipment without pressure.
4, Perfect personal design, the use of both rechargeable, audio and video transmission. Easy to carry, especially for business people.

Note: If your device is surface 3, (10.8 in.), It can not be used at the same time.