Smallest(?) travel dock/HDMI adapter: Test report : r/NintendoSwitch
VALUE HDMI / Mini DisplayPort/ DisplayPort to HDMI Switch - SECOMP International AG
Philips 3 Port Hdmi Switch - Black : Target
Monoprice 108150 Mini HDMI Switch with Optional Power Output Black : Electronics
GE 3-Device HDMI Switch 33624
CY HDMI to Dual HDMI Female Y Splitter Switch Extension Adapter Cable with Micro & Mini HDMI Adapter : Electronics
Mini Portable Switch Docking Station with 45W PD Charging – UNITEK
Mini Portable Switch Docking Station with 45W PD Charging – UNITEK
5 Port High Speed HDMI v1.3 Mini Switch 5x1 for PS3 XBOX 360 HDTV STB, Intelligent Auto Switch with Remote Control, Full 1080P, Non Powered - NWCA Inc.
Amazon.com: Monoprice Blackbird 3x1 HDMI 1.4 Switch - Mini, HDCP 1.4, High Speed 1080p 60Hz, Automatic or Manual Switching (Compatible with PS4/5 Xbox Apple TV Fire Stick Roku Blu-Ray Player) : Electronics
Hdmi Switch for sale | eBay
KACOSATA Mini HDMI Adapter N-Switch- Everywhere Hub - Infinitydream
Nintendo Switch Tv Dock Compatible With Switch Mini Portable Foldable Charger Tv Adapter 1080p Hdmi And 3.0 Usb Play Stand Charg - Chargers - AliExpress
3-Port HDMI Mini Switch, Remote Control, 4K, 3D, HDCP 1.4, EDID | Tripp Lite
Alxum Switch Dock for Nintendo, Portable Switch Docking Station for TV, Nintendo Switch Dock Replacement with 45W PD Charging, 4K HDMI & USB 3.0 Port, Foldable Mini Nintendo Switch Base : Video Games