Fullsize 88key digital keyboard piano designed for learners and performers who need reliable function and clear control. Built with environmentally friendly and durable materials, fine workmanship, and a smooth edge design for comfortable handling and long term use. Key features Standard 88 simulation keys covering A1 to C9 for full piano range 140 instrument tones, 128 rhythms, and 30 demo songs for diverse sound options Single finger chord and multi finger chord modes to support different skill levels Built in recording, replay, and automatic tonal modification function for practice and arrangement Recording, OPP, playback, and teaching functions for lesson use and self directed study Digital display with master volume control, tempo adjustment, and mode selection for tone and rhythm Dedicated keys for start stop, synch, insert, and demo songs to simplify operation Benefits Complete keyboard range supports realistic practice from beginner exercises to advanced pieces Extensive tones and rhythms expand musical creativity without needing extra equipment Recording and playback let users track progress, build arrangements, and review lessons Clear controls and digital display make setup and adjustments fast and intuitive Durable, eco friendly construction and smooth edges reduce wear and enhance safety for regular use Practical use scenarios Home practice and study: learn scales, practice songs, and record practice sessions for review Teaching and classroom use: use teaching and playback functions to demonstrate techniques and assign exercises Composition and arrangement: combine tones, rhythms, and recorded tracks to sketch arrangements and demo ideas Specifications summary Key range: A1 to C9, 88 simulation keys Sounds and rhythms: 140 tones, 128 rhythms, 30 demo songs Performance functions: single finger chord, multi finger chord, automatic tonal modification Control and interface: digital display, master volume, tempo adjustment, tone and rhythm mode selection Utility functions: record, replay, playback, OPP, teaching, start stop, synch, insert, demo songs key This keyboard provides a practical, well equipped platform for learning, teaching, practicing, and composing with straightforward controls and a full piano range.