61Key Foldable Electronic Piano Key benefits Portable and spacesaving: foldable design and light weight make it easy to carry and store. Full function practice tool: builtin tones, rhythms, and teaching modes help beginners learn and improve. Discreet use: headphone jack and rechargeable USB power let you play without disturbing others. Easy control and feedback: LED display and charging indicator provide clear status information. Main features 61 fullsize foldable keys for pianostyle play in a compact form. 16 instrument tones, 100 rhythm patterns, and 25 demonstration songs for varied practice and performance. Teaching functions include random play, follow play, keyboard drum, metronome, and playback to support learning. Controls for volume, tempo, and transposition allow of sound and practice speed. LED display and charging indicator light for simple monitoring. Headphone plug for private practice and USB power cable for charging. Specifications Size: about 47 x 13.5 cm (18.50 x 5.31 inch). Styles: electronic keyboard with piano case or electronic keyboard. Package includes: 1 pc 61Key Foldable Electronic Piano. Practical applications Home practice: use headphone mode and metronome to build technique without disturbing others. Travel and lessons: lightweight, foldable keyboard fits in a bag for lessons, rehearsals, or onthego composing. Classroom and group learning: playback, follow play, and rhythm modes help teachers demonstrate and students practice along. Performance and compatibility Rechargeable via standard USB power cable for convenient charging from power banks, laptops, or USB adapters. Headphone jack supports private practice with most standard headphones. Additional notes Please allow 1 to 2 cm variance due to manual measurement. Product color may vary slightly from images due to different monitor displays.