Professional Silicone Retractable Keyboard with 88 Keys! Artifact for piano practitioners! Advanced sealing and waterproofing technology Waterproof, dirt-resistant and easy to clean Simple and stylish, designed by a designer who won the German Red Dot Award! Support connecting headphones. Practice playing the piano without disturbing others! Restore the original piano sound, independent sampling technology, accurately reflects every detail of the sound! Naucz się grać on the piano from the app, practicing on the piano is no longer difficult! Lighter and more sophisticated, easy to carry, easy to charge! Built-in high quality sound, it is more convenient without external sound! Restore real piano keys: 2mm higher than white key 11mm Button Thickness Built-in 350 mAh lithium battery Can use external USB charging Can use power bank charging Avoid combining sound Thicken keys, 99% traditional piano touch Single conductive film, avoid mixing sound 99% Lower layer silicone, flame retardant, waterproof and dustproof 1:1 restore the size of the piano key! Product parameter： Weight: 1.5 KG Expand size: 131cm*17cm Keyboard Type: 88 Keys Backup pedal: yes (included) External speakers/headphones: Yes (must be purchased separately) Output Power: 3WX2 Applicable application：POP PIANO，Everyone Piano Whether to bring your own speakers: Yes Ability to connect to computer: Yes Is the keyboard waterproof: yes Packing accessories: roll-up piano x 1, USB charging cable x 1, backup pedal x 1, user manual x 1 Reasons to buy it： The most professional and powerful piano for beginners you can get, Highly restored real piano Super lightweight and portable, don't worry about it taking up too much space in your home. You can play in the bedroom, play in the living room, take to school, take on a trip, take to friends and even perform on the street Powerful built-in battery, when fully charged, you can play all day Waterproof and stain resistant, don't worry about damaging it You can learn to play the piano through the APP, so that learning to play the piano even yourself is no longer difficult High-quality sound, enjoy a high-quality power amplifier anytime, anywhere, and at the same time you can connect your headphones so you don’t have to worry about disturbing others while practicing on the piano It will make a great gift for kids or lovers