Feature: 1. 88 Keys: 88 key portable rolling piano, easy to store, easy to carry, thick silicone keyboard design, feel more real and comfortable 2. Multiple Functions: 14 demo songs, 128 rhythms, 128 tones, support for recording, programming, playback, tutorials, sustain and vibrato 3. LED Display: Piano, drum function, master volume and speed control keys, with LED display to display relevant parameter information 4. Built in Speakers: With built in speakers and headphone jack, used to connect headphones or external speakers 5. Sustain Pedal Interface: With USB MIDI output and sustain pedal interface, with multiple functions such as automatic sleep Specification: Item Type: 88 Keys Roll Piano Material: Silicone, ABS Battery Type: Lithium Battery 1100mAh (Shipped with built in battery) Body Size: Approx. 23 x 9.5 x 2.5cm / 9.1 x 3.7 x 1in Keyboard Size: Approx. 125 x 16 x 1cm / 49.2 x 6.3 x 0.4in Function Introduction: LED digital display, automatic sleep function, 128 tones, 128 rhythms, 14 demo songs, tone colour, rhythm mode selection keys, recording, programming, playback functions, demo song singing, teaching functions, start, stop , Insertion function, piano, keyboard drum function, sustain, vibrato function, master volume control, speed control function, MIDI OUT, USB 5V power supply function, sustain foot switch port, headphone, audios output port. Package List: 1 x Hand Roll Piano1 x User Manual 1 x Foot Pedal1 x USB Charging Cable Note: