Portable 88Key RollUp Piano — White or Black Overview A fullsize, flexible piano keyboard that combines portability with a wide range of features for practice, performance, and travel. The 88 silicone keys feel comfortable and responsive while the rollup design lets you take a complete keyboard anywhere. Key benefits Full 88key layout in a rollup, spacesaving design for realistic practice and performance. Lightweight and easy to carry at 1.9 kg and 135 x 23 cm when unrolled, fits in a bag for travel and events. Wide sound and rhythm selection with 128 voices and 128 rhythms to support different musical styles. Builtin rechargeable battery provides extended play time for practice away from power outlets. Main features 128 Voices and 128 Rhythms for varied tonal options 15 demo songs for learning and inspiration 4.3 inch LCD screen with startstop function for clear navigation Record and playback function for practice review and composition Volume control key for quick level adjustment Chord sustain and vibrato for expressive playing Sync insertion for rhythm and performance control Keyboard drum and metronome functions to support timing and accompaniment Bluetooth function for wireless connection to external devices Builtin 2000 mAh rechargeable battery, or DC 5V adapter for continuous power Output power: 500 mW 4D stereo loudspeaker for richer sound Material: ABS plastic, silicone keys, and electronic components Specifications Number of keys: 88 Size (unrolled): 135 x 23 cm Weight: 1.9 kg Power supply: builtin 2000 mAh lithium battery or DC 5V adapter Battery play time: up to 15 hours (typical use) Color options: White, Black Package contents: 1 x Hand roll piano Practical use scenarios Travel and outdoor practice: Roll the keyboard into a bag and recharge before leaving for up to 15 hours of use during trips, rehearsals, or outdoor lessons. Classroom and group lessons: Use the recording and playback functions plus builtin rhythms and metronome to demonstrate, practice, and review student performances. Small events and gatherings: Bluetooth connectivity and builtin speakers let you provide musical backing at parties, family gatherings, or casual performances. Tips and support Please fully charge the piano before first use to ensure battery performance. 24hour customer support is available for product questions and assistance.