Brand: Ona Color: Black Number of Keys: 88 Special Feature: Digital Display, Foldable, Portable Size: UK Plug Foldable Design: The piano keyboard can be folded in half, is space-saving and portable in a carrying bag, and has a built-in rechargeable battery that makes it suitable for outdoor use. Multiple Connectivity: Through side interfaces, it can connect MP3, microphone, and even MIDI devices for song production (most software supported), as well as wireless Bluetooth connection for smartphones. Great Fingertip Feel: The electric piano has 88 sensitive, full-size keys to simulate the real piano experience, making you change the volume depending on how hard you play. Powerful Functions: The keyboard features an LCD display panel and offers 128 tones, 128 rhythms to choose from, and 30 different demo songs to play along with. Resonant Sounds: Equipped with dual high-quality speakers, the digital piano creates a crystal clear stereo sound effect that fills the room, suitable for both music lovers and beginners.