Perfect Combination: Special bevel-side and compact design of this docking station perfectly match your Surface pro 7.Just plug and play, no driver needed.Light-weight is convenient for travel or business trip. 24-month after-service and no worry on return or refund. Built-in TF and SD slot: The built-in TF (Micro SD) and SD slot allows for easy access to up to 2TB files from SD and TF memory cards with a super speed of up to 480Mbps. Compatible with SD, SDXC, SDHC, TF, Micro SDXC, Micro SDHC card. Note:SD,TF cards can‘t be read at the same time. High speed data transfer: This Surface Pro 7 docking station with 2x USB 3.0 ports and a type C 2.0 port, 2x USB 3.0 ports up to 5Gbps data transfer, perfect for your keyboard and wireless device. USB-C 2.0 data port supports 480Mbps data transmission, also support Audio and Mic 2 in 1 Type-C port makes listening or talking a breeze. Surface Pro 7 with 4K@30Hz HDMI adapter: This Surface Pro 7 HDMI hub support Extend Or Mirror Mode, HDMI Resolution up to 4K@30Hz; backwards support 2K/ 1080p/ 720p/ 480p/ 360p resolutions; Freely show your laptop's high-resolution 4K UHD@30Hz to HDTV, monitor or projector via HDMI port. An ideal Gadget for Video Editor, Photography, Programmer. Specially designed for Surface Pro 7: Specifically Designed for Microsoft Surface Pro 7, Surface Pro 7 usb Hub Turns the USB-A and USB-C port into 7 ports: HDMI 4K/30Hz, USB-C Port (480Mbps Data Transfer), 2 x USB 3.0 port (5Gbps Data Transfer), SD & MicroSD Card Reader (480Mbps Data Transfer) Note: This Surface Pro 7 docking station won't fit your surface very well if you use an protective case on it. Only compatible with Microsoft Surface 7.