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
Replacement Middle Frame Housing Shell Cover Case Bottom For Nintendo 3DS XL LL | eBay
Nintendo 3DS XL Bluetooth Module
Adaptador Bluetooth Nintendo Switch Y Lite/ 2ds/ 3ds/ Ugreen
n3DS XL with Integrated Bluetooth Audio (Hardware Mod) | GBAtemp.net - The Independent Video Game Community
For Amiibo Pixl Emulator Simulator NFC Replacement Emulator Bluetooth-Compatible for SWITCH 3DS WiiU for Switch
I've finally got my endgame console! Dual IPS SNES Edition with Bluetooth audio! : r/gamecollecting
HOW to Connect Bluetooth AIRPODS to 3DS!!! [EASY WAY!] - YouTube