This smart 7-in-1 USB-C adapter from LinQ by Elements in aluminium offers many possibilities. The adapter itself has a stylish design in Space Grey aluminium, which will blend in well with most other devices. With up to 7 different device connections, you always have the option to connect just the device you want. 
The smart hub allows you to connect HDMI, USB-C, USB-A and an SD or TF memory card to any device with a USB-C input. There's even the option of fast charging through one USB-C connector, which has Power Delivery.

OTG  / On-the-Go
 
LINQ USB Hubs have OTG connections, which means it can be used with a phone, tablet, iPad and of course your computer. 
This way you can connect a mouse, keyboard, monitor/TV and a USB connector to your phone or tablet and use it as a desktop. It's really smart if you have to do work outside or if you use a tablet for work.
You can also connect your phone to a TV and use it to watch movies, pictures, etc. instead of having to bring a Chromecast that needs Wi-Fi.

Specifications:

1 x HDMI HDTV 4K (3840*2160) @ 60Hz, compatible with 1080P, 720P.

1 x SD Card Reader. 

1 x TF Card Reader.

1 x USB-C Port, Power Delivery, 20V/5A, Max 100W Power Adapter (Input)

1 x USB-C Port Super Speed USB-C 3.1 Gen.1, Power Supply up to 4.5W.

2 x USB-A Super Speed USB 3.1 Gen.1, Power Supply up to 4.5W.

With this adapter can be advantageously used to charge 3 devices at once of which one can benefit from fast charging with Power Delivery of up to 100W. Of course, it can also be used to connect 7 different devices to your computer or similar. 

Note: Picture 4 is another model to show that you can watch movies through USB connector and put it on a screen through HDMI cable.