The Teenage Engineering OP-1 is a portable music production device featuring a synthesizer, sampler, and 4-track recorder. It's characterized by its compact design and intuitive interface, with colorful knobs and an OLED display for easy operation. With multiple synth engines, sampler functions, and a sequencer, it's possible to create a variety of sounds. It has a built-in battery, making it convenient to carry around, and is ideal for live performances and music production on the go. It's an innovative device that expands creative possibilities. Included are a Penedo wood case (no longer sold) and an OP-1 specific adapter for connecting with a phone cable. You can see the product here: https://youtu.be/7vYMgldVpok?si=_n-qPwzGHnxn7GlQ Japanese reference article: https://icon.jp/?p=8569 Images 3-8 are for illustrative purposes; please check the other photos for included accessories. Due to the high value of the product, returns are not accepted to prevent swapping.