AGVEE Upgraded USB-C to Gigabit RJ45 Ethernet LAN Network Multiport Adapter, Type-C to 4K HDMI Adapter, Portable Replacement Switch OLED Dock Station, for Nintendo Switch OLED, Black

[Note] It needs an PD power adapter for TV mode (To display the game on monitor), it is recommended to use the original Nintendo charger adapter. Other PD charger adapters that support 15V3A output are also available.
[Professional Player Opinion] This Gigabit Ethernet Connection, make control Data delay below 30ms. Different delays lead to different game experiences. A good WIFI delay is generally within 50ms. 1~30ms: Extremely fast, no delay is felt, and playing any game is particularly smooth. 31~50ms: Good, can play normally, will not feel noticeable delay. 51~100ms: Ordinary, you can feel a significant delay and a slight pause when playing confrontation games. >100ms: Poor, unable to play normally, there is stuttering, packet loss and dropping.

[How to Use a Wired Network] Go to the internet settings on the Switch while it's docked, set to the "wired connection", and you should be good to go.
[Parameters] HDMI output: 4K@30HZ, backward compatible with nintendo's 1080p. 1Gbps ethernet speed.
[Knowledge That Only Experts Know] The Type-C contact shrapnel is made of high-elastic, high-conductivity copper. After 10000 times plug & unplug test, the shrapnel contact resistance is still less than 15m, this is very important for adapter.