Check the listing for details. Stringless Smart Guitar Built-in Drum Machine&Bassline Foldable Backing Guitarra. Condition: New. Listed at 258.99 USD. 【Chords with No Strings】INGPARTNER N1 is the first-ever stringless guitar designed for music accompaniment, generating real-time, authentic chords that adapt to each song’s key, tempo, and style. Every paddle flick plays a full chord. You can Play & Sing Instantly with Zero Guitar Experience! 【Interactive Chord Sheets】INGPARTNER N1 offers intelligent chord sheets and syncs with neck LED indicators for an easy start, along with sound options like piano and bass and nearly 100 rhythm patterns. The app also supports custom chord sheets. 【One Person, One Band】You can activate the built-in drum machine and bassline to unlock the full band experience, even when performing solo. With a diverse range of genres including jazz, pop, and rock, your performance possibilities are endless.