SEIKO Chromatic Tuner ST757-L Unused item, opened for listing. It's very clean ✨ Retail price: 3740 yen Compatible with all instruments, such as wind instruments. Features transposition function (C, E♭, F, B♭) Palm-sized, making it convenient to carry. Operation confirmed with batteries & cable connection (not included). No problems. Since it was a stored item, I don't know if the included batteries are usable (2 AAA batteries). Please understand. Returns and refunds are not accepted. Please purchase after agreeing to the above.