【Portable and Foldable Design】This 49-key roll-up piano is compact and easy to carry, perfect for children's music education and on-the-go practice 【Standard Piano Keys】Features 49 standard-sized, flexible silicone keys that can be rolled up for convenient storage and transportation 【Multiple Sound Options】Equipped with 16 built-in tones and 10 rhythms, offering a variety of musical experiences for young learners 【Learning Features】Includes 6 demo songs for learning and appreciating classic melodies, ideal for beginners and music enthusiasts 【Advanced Functions】Offers 8 drum rhythms, single-key play, recording and playback capabilities, 16-level volume control, and 32-level tempo control 【Built-in Speaker】High-quality built-in speaker produces clear, crisp, and melodious sound for an enjoyable playing experience 【Connectivity Options】Supports external headphones and DC power supply for versatile use in different settings Specifications: Material: ABS + Silicone Dimensions: 83 x 16 cm Keys: 49 keys Power Supply: 3 AA batteries or USB cable (batteries not included) Connectivity: Headphone jack, DC power input