Item Type: Ukulele Chord Practice Tool <br>Material: ABS <br>Colour: Black <br>Product Length: Approx. 24cm / 9.4in <br>Power Supply Mode: 1 x CR2032 button battery 180mAh 3V <br>1、The Most Basic and Common Chords: This tool can display the most basic and common chords, with accurate finger positions <br>2、Develop Chord Muscle Memory: Trainer is very suitable for beginners and students to develop chord muscle memory, which is a perfect tool for finger placement practice <br>3、Improve Finger Sensitivity: This chord trainer has no sound when playing, because its purpose is to improve finger sensitivity without environmental restrictions <br>4、Practice Anywhere: You can practice anywhere, such as cars, airplanes, offices, schools, dining tables, without disturbing others <br>5、Portable Chord Trainer: You can take this portable chord trainer to anywhere, which is not as bulky as a ukuleleExcept for playing stored chords, will automatically shut down if there is no operation for 5 minutes.<p>1 x Chord Trainer</p><p>1 x Button Battery</p><p>1 x User Manual</p>