Feature: 1. Innovative Key Layout: Play with just a sheet of music, the innovative array layout makes it easier to find pitch compared to traditional horizontal keys, simplifying playing and reducing learning curve. 2. Easy Transposition: Rotate for key changes without complex steps, say goodbye to adjusting keys with traditional scales; effortlessly adjust key by relative pitch, eliminating the need for adjusting keys and fingers. 3. Pocket Sized Music: Designed to fit in your pocket for music on the way, the compact keyboard weighs only 164g, lighter than your phone, making music accessible anytime, anywhere. 4. 3.5mm Headphone Jack: Enjoy music creation undisturbed, equipped with a 3.5mm headphone jack, allowing you to indulge in music creation without bothering others. 5. Long Lasting Battery: Play for around 6 hours with the built in 1200mAh rechargeable li battery, and recharge anytime with the type C interface. Use it as a BT speaker to keep it on, connect your phone or computer to play music, and play along while enjoying your tunes. Specification: Item Type: Pocket Music Keyboard Material: ABS Color: Grey Battery Type: Built in 1200mAh Li ion Battery (included) Instrument Sequence: 1. Piano 2. Guitar 3. Classical Guitar 4. Bass 5. Vibrato 6. Marimba 7. Glockenspiel 8. Guzheng 9. Accordion 10. Harmonica 11. Pipe Organ 12. Saxophone 13. Flute 14. Xiao 15. Trumpet 16. Handpan 17. Drum Set 18. Plucking 19. S Wave 20. Sawtooth Wave . Package List: 1 x Music Keyboard 15 x Keycaps 2 x Keyboard Stickers