Description: Product Name: Multifunction USB COMBO, 3.0HUB+ Reader. Interface Type: Standard USB3.0. Applicable system: Microsoft surface Pro3/Pro4 universal. 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. Specification: USB 3.0 high-speed transmission speed, backward compatible with USB2.0/1.1/1.0. Comes with card reader, 1 TF card slot and one SD card slot. Plug and play, hot swappable, reserved mirco USB power port, no power with high power devices. Perfect fit design, using rechargeable, video and audio transmission at the same time. Easy to carry, especially for business people. Package Includes: 1 Piece USB Combo Adapter Note: If your device is surface3, (10.8 inches), it cannot be charged at the same time
