Stanford, California
$8
Selling Genki Bluetooth USB audio adapter, great condition (purchased a while ago, but I believe it's the same as this still-listed model):
https://www.genkithings.com/products/genki-audio
Compatible with computers and game consoles. (Originally purchased for my Nintendo Switch, but they've since added native Bluetooth audio support :) ).
Please do not message this poster about other commercial services.