Feature: 1. This hand-rolled piano can be used with headphones, so you can practice piano late at night without disturbing the people. 2. Built‑in 8 kinds of tones, piano, orchestral harp, organ, carillon, jazz, violin, string ensemble 1, steel string. The default is the piano sound at power‑on, press the "TONE" key, and one‑key switch to select 8 tones in turn. 3. Built‑in 6 demo songs: For To Alice/Wedding in Dream/Love Song of Kangding/ Heart Rain/ Qinghai‑Tibet Plateau/ In The Place Peach Blossom. 4. Press the "DEMO" button, one-key switch to select and play 6 demo songs in turn, press the "STOP" button to stop playing the demo songs. 5. Press the single-key teaching key "OKON" to enter this function, and wait for the white key to select the music. After selecting the music, press any key to play the main melody half and repeat its half, one key one note. 6. The hand‑rolled piano has the functions of tremolo, vibrato, more effects and more ways to play, and the volume can be adjusted. Specification: Item Type: Hand-Rolled PianoMaterial: Silicone Power Supply: DC USB power cord Electronics: 3.7V 360mah. Package List: 1 x Hand-Rolled Piano1 x Piano Stickers1 x USB Power Cord1 x User Manual