Features: 1.This hand-rolled piano is 61-key and adopts an imitation piano key design. The silicone material makes the playing feel more comfortable. 2.The piano is a portable and foldable design, which does not take up any space when in use and is easy to store. 3.The hand-rolled piano has a recording function. Press the REC button to start recording, and the maximum number of recordings is 65. 4.With teaching function, press the OKON button to enter the teaching mode, and then press the white button to select different songs. 5.Designed with a headphone port, it will not disturb the people when playing, and the port can also be connected to a stereo and a tablet. specification:Item Type: Hand Roll Piano Material: Natural Silicone + ABS Color: Black and white Power Supply: USB power supply/3 x AAA battery(not included) Power Input: DC5V/1000mA Output Power: 500mW Tones: 16 kinds of tones/6 demo songs Function: Recording, playback, start/stop function Speaker: Built-in stereo speaker, can be used as audio Connected Devices: Support external speakers, headphones, tablets Piano Unfolded Size: Approx. 100 x 22.5cm / 39.4 x 8.9in PackageList:1 x Hand Roll Piano 1 x USB Cable 1 x English User Manual Note1. When the hand?rolled piano is not in use, remove the battery from the battery box to prevent battery leakage from damaging the product. 2. When using it, lay the hand?rolled piano flat, do not place the hand?rolled piano on an uneven place, and do not move the hand?rolled piano at will during the performance, otherwise it will affect and damage the normal function of the hand?rolled piano. 3. After the hand?rolled piano is used, it should not be rolled too tightly when it is rolled up and retracted, and the normal function of the button will be damaged and the service life of the button will be shortened! 4. Do not pull or twist the keyboard of the hand?rolled piano. Do not place the piano roll in a hot or humid place. 5. No part of the hand?rolled piano can be split. 6. Do not place the hand?rolled piano in a place with strong electric waves, so as not to affect the function of the hand?rolled piano.