dodocool 7 in 2 Aluminum Alloy USB-C Hub Adaptor with 2 Thunderbolt 3 connectors USB Type-C PD Port USB-C Data Transfer Port 4K Video HD Output Port 2 USB 3.0 Ports and SD/Micro SD Card Reader for MacBook Pro2016 / 2017 / 2018 / 2019 Dark Gray

Features
1.Ultra slim
Built with the aluminum alloy cover, it is specifically designed for MacBook Pro 2016 / 2017 / 2018 / 2019/MacBook Air 2018/2019.
2.7 in 2 Multiport USB Hub
Featuring a total of Seven ports that can all be used simultaneously and for convenient access to all of your peripheral devices, the USB hub with a Thunderbolt 3 port(100W PD), a USB-C data port(5Gbps), a 4K HD port(4K@30HZ), two USB-A 3.0 ports, a Micro SD card slot and an SD card reader.
3.Powerful Thunderbolt 3 USB- C Port
The thunderbolt 3 UBS - C port reading and writing data peed up to 40Gb/s, and supports up to 5K video output and 100W power delivery to charge your MacBook Pro 2016 / 2017 / 2018 / 2019 at high speed.
4.High-Resolution 4K HD
Mirror or extend the display of your MacBook Pro 2016 / 2017 / 2018 / 2019/MacBook Air 2018/2019 to your TV, monitor or projector in up to 4K UHD (3840 x 2160 @ 30Hz) resolution through the HD output port. Backward support 2K / 1080p / 720p / 480p / 360p resolutions.
5.SD / Micro SD Card Reader
Enable you to easily access files from an SD card and / or a Micro SD card directly. Support SD memory cards and Micro SD card memory cards of up to 512G.
6.SuperSpeed Data Transfering
The USB Type-C 3.0 interface with a data transfer speed up to 5 Gbps/s and the USB-A 3.0 ports up to 5 Gbps/s. Backward compatible with USB 2.0 and USB1.1.
7.Potable Easy to Use
Slim, thin and compact. No driver required. Plug and play. Support hot swapping function.
Note:
1. Suitable for MacBook Pro 2016 / 2017 / 2018 / 2019/MacBook Air 2018/2019.
2. Compatible displays and cables required to achieve the maximum video resolution.
3. It is not recommended to use two USB 3.0 Type-A ports for charging.
4. The SD card slot and the Micro card slot can be used at the same time.
5. For a stable connection, do not use this hub with high power consumption devices. It supports one hard drive max.
6. The thunderbolt 3 USB - C port and HD output port can be used simultaneously to mirror or extend the display of your laptop to your TV, monitor or projector.