Portable chord trainer for ukulele beginners, you can carry it around when you are traveling and practice fingering anytime anywhere. With LCD screen showing most commonly used ukulele chord charts, which can help ukulele beginners to practice and memorize chords. 360degree rotatable design enables you to adjust the viewing angle, and the prompt sound of chord change easier to use. Supports metronome function, beginners can learn the chords with a customized tempo(30-260bpm). Please noted that the metronome only give the prompt tone of first beat. Equipped with 4pcs nylon ukulele strings, which makes your practice more close to playing real ukulele; High-quality ABS material, durable and . Power Supply: 1 x CR2032 battery(not included) Colour:Pink Material:ABS Size:23.6 x 3.6cm Item weight: 122g/ 4.3oz Package Contents: 1 x Ukulele Chord Trainer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.