This USB 3.0 hub has a 4K HDMI port, Gigabit Ethernet port, SD/Micro SD card slots and 2 USB 3.0 ports, suitable for Microsoft Surface Pro 4. •Multiport Hub Adapter: This USB 3.0 Hub Adapter brings you 4K HDMI-compatible video output,1000 Mbps Ethernet adapter, SD/Micro SD card reader and 2 USB 3.0 ports •4K HDMI-compatible Video Output: Mini DP to HDMI-compatible, support the video resolution 1080P @60Hz, up to 4K @30Hz and freely show your laptop's high-resolution display on most HDTV, monitor or projector with an HDMI-compatible port •RJ45 Gigabit Ethernet Port: Give access to superfast network speeds at 1000Mbps, backward compatible with 10/100Mbs, ideal for streaming movies, downloading large files or playing games •Super Speed Data Syncing: USB 3.0 hub adds extra 2 USB 3.0 ports for your laptop, allowing to connect multiple USB peripherals. Support faster data transfer up to 5Gbps, 10X faster than USB 2.0. Giving seamless access to wire keyboard, mouse, USB flash drive, hard disk, etc. •With SD and TF Slots: Built-in SD and TF slots easily access files from universal SD card and Micro SD card, support 2 cards reading simultaneously •Unique Design: Especially compact design, plug and play, easy to travel wherever you go •SD Slot: Support SD, SDXC, SDHC, RS-MMC •TF Slot: Support Micro SD, Micro SDHC, Micro SDXC •Interface: HDMI: 4K 30Hz(active), Ethernet port: 1000M/s, USB: USB 3.0, Card reader: SD\TF Package included: •1 x USB Hub •1 x Multi-language User Manual(Chinese, English, French, German, Japanese, Spanish, Italian) •Others Not Included