Type C 3.1 interface input design Support positive and negative plug Can be used for the Surface/Mac tablet Support USB Port: USB3.0x3,Type C Data x1, Type C (PD Charger) X1 ,HDMI x1, Card Reader 2 Slot: SDXC/TFx1, Network interface: Female RJ45 jack HDMI port Support Video resolutions up to 1080P@60Hz, 4k, 2k@30Hz output. Support data and voice signal transfer. Fast Ethernet 10/100 / 1000 M transceiver. Supports pair swap/polarity/skew correction The Type C Female close to the TF Card Slot only has the PD charging function . Type C PD Charging Port are implemented Multiple quick charge protocols and up to 100W power transmission , Support Power Down mode and low stand-by current . The Type C Female close to the USB3.0 Port only have the data transmission function , SuperSpeed up to 5Gbps,can be connected to With Type C Mouse/Keyboard/U Disk, HardDisk Enclosure...etc. and other Type C Devices. Supports USB3.0 ,2.0 and 1.1 transferring Support SDXC & micro SDXC up to 2TB, can read/write a SD and a Micro SD card simultaneously. Support v1.0/v1.1/v2.0 SDHC,SDXC (up to 2TB), SD v3.0 UHS-I specification. Support USB 3.0 SuperSpeed up to 5Gbps, Compatible with the USB 2.0 Highspeed 480Mbps and Full-speed 12 Mbps transfer rates. Support Windows , MAC and Android OS.