Item Type: Folding Piano Material: ABS Power Input: DC5V1A, 5V/2A Output Power: 1W Power Supply Type: USB external power supply / lithium battery power supply (built-in battery) Battery Capacity: 2200mAh Folded Size: Approx. 68.5 x 17cm/27.0 x 6.7in Expanded Size: Approx. 137 x 17cm/53.9 x 6.7in How to Use: This electronic piano can be used as an external power source with the included USB charging cable, or it can be powered by a lithium battery, and it can be turned on/off by pressing the ON/OFF button on the side of the piano. Package List 1 x Folding Piano 1 x USB Cable 1 x Pedal 1 x Piano Bag 1 x English User Manual 1 x bracket 2 x Accessories 1. Do not split any part of the electric piano.2.Do not place the electric piano in a hot or humid place.3. The electric piano cannot be placed in a place with strong electric waves, so as not to affect the function of the electric piano.4. If the sound is abnormal or the keys fail, please turn on and off the machine again to restore the original settings.5. If the battery voltage is low, there may be problems such as abnormal sound and keyboard failure. Please charge it in time. 1The smart folding piano has 128 tones, 128 rhythms, and 15 demonstration songs, which are practical and interesting. 2With recording, tenuto, metronome, dual totimbree, chord, strength control functions, all support daily practice. 3After the electronic piano is turned on, the Bluetooth function is automatically turned on with a beep, and it can also be connected to a computer or tablet via a USB cable. 4This portable piano is foldable and comes with a piano bag for easy storage and protection. 5Restore the piano keys to the original proportions, delete unnecessary layouts, and place them on the desktop to save space. 6The electronic piano has a headphone port, which can be connected to headphones and will not disturb the people at night.