Enjoy your Simple Life with USB C Hub. Sleek minimalist design with aluminum-alloy finish perfectly complements the new MacBook. Connect on your laptop with Type-C Port and you could get more ports:

Type-C 3.1 Port-Through Port (10Gbps)
The USB-C hub is able to USB Power Delivery. This enables full-speed New MacBook recharging while simultaneously connected to SuperSpeed USB 3.0, SD/Micro SD card, HDMI port.

USB-C Port for Power Delivery
PD2.0 Charging Port, Support positive and negative charge. With EMI protection, it will not interfere with your wireless device

4K Video Adapter (3840P)
The HDMI output makes multi-monitor displays a breeze. It provides a simple plug-and-play connection to almost any high-definition display or monitor and supports resolutions up to 4K

SuperSpeed USB 3.0
Transfers data over USB at incredible speeds, up to 5Gbps, fast enough to transfer a high-definition movie in seconds.

SD / Micro SD Card Reader
The Average Reader Speed : 18-20mbps
C6 Card: Read 11-16m / s Write 6-8 / s
C10 Card: Read 17-26 / s Write 12-18m / s

Technical Specifications
2 x USB3.0
1 x 4K HDMI Port
1 x SD Card Reader 
1 x TF Card Reader 
1 x Type C PD Charging Port

Compatible Devices:
Apple MacBook (2015 / 2016 / 2017)
Apple MacBook Pro (2015 / 2016 / 2017)
Apple iMac / iMac Pro (21.5 in & 27 in)
Google ChromeBook Pixel (2016 / 2017)
Dell, Asus, HP, Lenovo, and many other Type C laptops

Note
Compatibility: No driver needed and support all Type C devices but some exceptions may apply.
Type C PD Charging: Charging power is dependent on your charging adapter (Suggest using PD charging adapter over 65W).