Nintendo Switch 60Hz 4K HDMI PD 100W USB3.0 Adapter

HDMI Type C Hub Adapter Replacement Dock for Nintendo Switch,USB C type-c to 4K HDMI PD 100W USB3.0 Adapter for MacBook

NOTE
To maintain a stable connection , do not use this nintendo switch converter for connection with high - power devices.
PD fast charge applies to laptops to support normal phone charging.However , charging through our adapter will be slower than your own charger.
For 4K video output , support 60Hz refresh rate.
The USB port uses two hard drives that you can transfer and charge through the USB port , but are relatively slower than your phone ' s own charger.
Compatible Model:
MacBook Pro 2016 / 2017 / New MacBook 2016
HP Pavilion x2 /HP Spectre 13-AF001TU / Spectre X360 13-AE027TU / spectre x360
Dell XPS13 / XPS15 Dell Alienware 13 / 15 / 17 /Dell Precision 15 / 17 /Dell Latitude 12 2-in-1 7275
Google Pixelbook Lenovo Yoga 920 / 910 / 720 /4 Pro / ThinkPad P50 / P70
Samsung Chromebook Pro/Chromebook Plus/ Galaxy Book / S9 / S8 / S8 Plus/ Note 8

Maybe you will be confused those question?
What is this adapter even for? i thought you could play switch on a hdtv?
It allowing you to play on an HDTV without the Nintendo Switch Dock. It is useful if you ever want to travel with your Nintendo Switch Dock to play on a TV away from home.

Can i use it as dex station on samsung new devices such as s8 ?
Yes,it can work for S8.

Does the adapter need an external ac adapter like the dock? i assume 5v/15v, like the original one?
Yes, it needs an external power. But it can support any power adapter, include original and others.

Is this a casing and do we have to open the original dock and transfert the PCB in it?
No, it isn't. You no need to do that. Just plug our adapter and it will work.

Can you connect a usb 3.0 hub to the usb port on this adapter to expand the usb ports?
Yes,it can.

what you get:
1 X type c to hdmi adapter hub for Nintendo Switch