1、HDMI support 4K-30Hz/1080Px60Hz video output. It will give you wonderful video experience. 2、For Thunderbolt 3 supports up to 40 Gb/s data transfer 5K or 2x4K video and power charge. 3、USB0 interface, 5Gbps transfer rate, backward compatible with USB0, plug and play. 4、Support reading memory cards and TF cards at the same time. You can use it easily. 5、The product uses high quality material and fine craft. The max input of PD port is 100w. Features:  1. HDMI support 4K-30Hz/1080Px60Hz video output. It will give you wonderful video experience. 2. For Thunderbolt 3 supports up to 40 Gb/s data transfer 5K or 2x4K video and power charge. 3. USB 3.0 interface, 5Gbps transfer rate, backward compatible with USB 2.0, plug and play. 4. Support reading memory cards and TF cards at the same time. You can use it easily. 5. The product uses high quality material and fine craft. The max input of PD port is 100w.  Specification: Main Control Chip: VL100xHDMI/PS176xUSB/VL817xTF/Memory Card/GL3224 Interface: Dual Type C (for Thunderbolt 3) + 3 x USB 3.0 + HDMI 4K / 2K + TF + Memory Card Electric Power: 100W Power Input: 5V-20V/5A Applicable Models: Support type-c Interface for MacBook 2016/2017/2018 Pro 13 inches, 15 inches Product Size: Approx. 11.3x 4.2x1cm/ 4.4x 1.6x 0.4inch Package List: 1 x 8 in 1 HUB  1 x User Manual