HOW to Connect Bluetooth AIRPODS to 3DS!!! [EASY WAY!] - YouTube
Insignia™ - Starter Kit for Nintendo New 3DS XL, 3DS XL, 3DS and 2DS - Multi : Amazon.co.uk: PC & Video Games
Bluetooth 5.0 Audio Transmitter Wireless Adapter with USB-C Port,Connector for Nintendo Switch Lite/2DS/3DS XL/PS4/PS5/PC,Bluetooth Headset/Earbuds/Headphones and Speakers,Plug and Play - Newegg.com
3DS with bluetooth, loses a little of its portability but the good thing about this transmitter is that it is flexible, so, no worries about breaking it, working really good with my
Adaptador Bluetooth Nintendo Switch Y Lite/ 2ds/ 3ds/ Ugreen
Modulo Bluetooth NINTENDO 3DS ORIGINAL Bluetooth Module | eBay