1.7 in 2 Design: Massive expansion to 1 4K HDMI, 2 USB 3.0, 1  USB-C, 1 SD, 1 Micro SD slot, and 1 RJ45.

2.HUB for MacBook: Specifically designed for MacBook Pro  2020/2019/2018/2017, MacBook Air 2020/2019/2018.

3.HDMI Port: 4K HD video offers excellent games, movies, and  sports events viewing experience.

4.Multifunctional USB-C Port: Supports Thunderbolt 3 data in  transferring up to 40Gbps, 5K high-definition resolution video  output, and Power Delivery 100W of charging power

5.SD/Micro SD Card Slots: Quickly and easily access to photos  and other media.