This Joy-Con has a secret! Nintendo Switch LED backlit buttons MOD. - YouTube
Joypad Controller Compatible with Switch 8 Colour Adjustable LED, Replacement with D-Pad & Non-Slip Grip for Switch joycon, Wireless Ergonomic JoyCon L/R Remotes Gamepad Joystick Controller | Walmart Canada
eXtremeRate 7 Colors 9 Modes Joycon DFS LED Kit, Multi Colors Luminated ABXY Trigger Face Buttons for NS Switch & OLED JoyCon|Cases| - AliExpress
Joy-con LED Mod Purple to Pink Gradient With Clear Backlit - Etsy Canada
Custom Joy-Con LED MOD White with Backlit Clear Buttons - Etsy 日本
Custom Joy-Con LED MOD - White on White with Backlit Clear Buttons - N – GameTraderZero
Joy-Con LED MOD Black With Clear Backlit Buttons Custom - Etsy 日本
ECHTPower LED Joy Con for Nintendo Switch/Switch OLED, Wireless Joycon Switch Controller, 8 Color Adjustable Light, Wake-up/Macro Button/Turbo/Vibration/Motion Functions, L/R Joy Pad Controllers-White : Amazon.ca: Video Games
Custom Nintendo Switch Joy-Con Controllers Black LED MOD with Black Ba – GameTraderZero
Custom Nintendo Switch Joy-Con Controllers White LED MOD Backlit Butto – GameTraderZero
eXtremeRate Nintendo Switch Joycon DFS LED Kit Installation Guide - YouTube
Amazon.co.jp: Joy-con DFS LED Kit for eXtremeRate Switch, 7 Colors and 9 Modes, Multi-Color Luminous ABXY Trigger Face Button for Switch & Organic Joycon (Joycon and Console not included!) [Classic Black] :
Joy-Con LED MOD Black with White Backlit Buttons Nintendo - Etsy 日本