Konbini Door Chime Keychain

Preorder now. Ships from New York in August.

The door chime that greets you every time you walk into a convenience store in Japan. Press it and you're walking in for a midnight onigiri run. The most Japan sound that isn't a train.

USB-C rechargeable, with a recessed button so it doesn't go off in your bag. About ten seconds of the real chime.