Fullsize 88key digital keyboard (A1 to C9) designed for learners and performers who need a durable, versatile instrument with clear controls and reliable sound. Key benefits Natural playing experience: fullsize 88 keys cover the standard piano range A1 to C9 for realistic practice and performance. Built to last: environmentally friendly and durable materials with fine workmanship and smooth edge design for safe, comfortable use. Versatile sound and accompaniment: 128 builtin tones and 128 rhythms let you explore different styles without extra equipment. Practical for learning and composing: easy recording, editing, and playback let you capture ideas and review practice sessions quickly. Performance controls: sustain, vibrato, and chord functions expand expressive options for practice and live playing. Flexible monitoring and amplification: builtin speaker allows independent play, and the unit supports external speakers or headphones for private practice or amplified sound. Expandable setup: can be connected to an external sustain pedal to enhance sustain control and playing expressiveness. Specifications and functions Keyboard range: 88 keys, A1 to C9. Sound and accompaniment: 128 tones, 128 rhythms. Demonstration material: 45 demonstration songs. Recording features: easy recording, editing, and playback functions. Expression controls: sustain function, vibrato, chord function. Display and output: LED digital tube display; builtin speaker; external speaker output and headphone support. Pedal support: external sustain pedal input for extended control. Practical use scenarios Home practice and study: full 88key range and onboard demo songs help beginners and students practice scales, songs, and sight reading with a realistic layout. Classroom and lessons: builtin tones, rhythms, and recording functions let teachers demonstrate styles and let students record assignments for feedback. Small live performance or rehearsal: use the builtin speaker for simple setups or connect to external speakers or headphones for louder monitoring; engage sustain and vibrato for expressive passages. Who this is for Suitable for beginners, students, adults, and professional musicians who need a fullrange digital keyboard with reliable build quality and flexible sound and recording features. Materials and build Constructed from environmentally friendly, durable materials with attention to craftsmanship and smooth edges for comfort and safety during extended sessions. Connectivity and compatibility Supports external speakers and headphones for monitoring and amplification. Accepts an external sustain pedal to expand playing technique and sustain control. This keyboard offers a full piano range, a wide palette of sounds and rhythms, builtin recording and editing, and practical connectivity, making it a solid choice for study, practice, composition, and casual performance.