Soft Keyboard Piano 49‑Key Roll Up Rainbow Portable Piano Silicone Toy for Beginners Kids Item Type: Soft Keyboard Piano Material: Natural silicone + ABS Color: Colorful Power Input: DC5V/1000mA Output Power: 500mW Power Supply Mode: 4 x USB external power supply/AAA battery(not include) The Main Function: LED digital display 128 tones, 128 rhythms, 14 demo songs Tone, rhythm mode selection keys Recording and playback functions Start/stop Sustain function, master volume control function Microphone input function keyboard drum sound direct selection function Headphone/sound output jack How e: 1. Sustain Function: Press the "Sustain" button and the digital screen displays "SUS" to turn on the sustain function. During the performance, the sound will have a sustained sound effect. Press the sustain button again when the digital screen displays "OFF" to turn off the percussion sound. 2. Percussion Tone Function: Press the "Drum Kit" key, and the digital screen displays "ON", and all keys are turned into percussion tone. Press the keyboard drum button again and the digital screen displays "OFF" to turn off the percussion tone. 3. Metronome Function: Press the metronome pattern key to make a metronome sound, and the metronome will play at the current speed. Press "Metronome" again to turn off the metronome. 4. Recording Function: Press the "REC" button to automatically enter the recording mode, and the digital display "REC". Press the "▶" button, the digital screen displays "REP", which can realize the recording playback function. During the playback, press the "REC" button again, and the recorded notes will be refreshed automatically. After the playback is over, it will automatically return to the default state. During playback, you can choose to playback different timbres, and press "▶|| to stop playback. 5. Press the "volume" button and then press the "+/- button to increase or decrease the sound, and the digital screen will display the corresponding volume level. The default volume is 12 levels when it is turned on, and the maximum volume level is 15 levels.