USB C HDMI Adapter for Old Switch, Type-C HDM I Switch TV Converter, 4K@60Hz USB-C (3.1) to HDM I Adapter Supports PD Charge, for NS, Samsung Dex

This little device is a great find for the switch. Small enough to throw in your travel case and it continues to work with each update Nintendo rolls out (be aware that Nintendo could roll out an update that breaks compatibility with this at any time). Personally, I travel with an HDMI cable and a Macbook power brick anyway, so I can use those accessories with this dongle and enjoy my switch on any TV or monitor I come across. Pro-tip: If you find that you are not getting a signal to your display, try this. Disconnect the switch from the dongle, power on and unlock the screen fully, then plug back in once you are at your home screen. This does the trick for me every time.

スマホ本体につなぐUSBtypeCコネクタの接触がものすごく悪く安定しません。スマホゲームに利用を考えている場合はやめた方がよいかと思います。typeC端子が固定できる場合は、安定しています。 追記 パソコンで利用する場合は、L形だと他のポートが使えません。また、この変換機器でパソコンの充電を行うと電源が落ちて起動出来なくなりました。機種は富士通LIFEBOOK Uです。本体のリセットで復旧できましたがパソコンの充電はやめたほうが良いです。