World's first Apple MFi-certified Smart Piano. The ONE Smart Piano is a new and easy way to learn music. When you attach your smart device the Smart Piano, you can use the app to browse interactive video lessons, LED light-guided sheet music, and piano games. Free iOS and Android app with crash course, 4000+ songs, tutorials and games. Support both iOS and Android, phone and tablet. MIDI output and recording. High-Grade piano with 88 hammer action keys and stereo sound with 128 note max polyphony. Sounds: 88 preset timbres in the keyboard, 691 timbres, 11 drum sets, 256 GM2 timbres can be selected when connected to "The One Smart Piano" App. LED: 88 full color LED lights. Supported devices: iOS 9.0 +, iPad 2/4, New Pad, iPad mini1/2/3/4, iPad Air1/2, iPad Pro, iPhone 5s/6/6 plus/6s/6s plus/7/7 plus/8/X. Android 4.4+ with USB Host/OTG. Headphones: 2 x 3,5mm headphone jacks. AUX in: 6,35 mm jack. AUX out: 6,35 mm jack. Pedal: Sustain (with half pedal), Sostenuto, Soft. Dimensions: 132 x 35,60 x 15,20 cm. Weight 14,06 kg. Colour: Black