Introducing the Konix PE37 - a child piano with 37 standard keys. Explore 128 tones and 14 demo songs, then record and play your creations. Enjoy the sustain function for extended notes and smart sleep mode after 3 minutes of inactivity. LED indicators, volume/power control, and a built-in speaker enhance the playing experience. Power it with the included USB 5V cable or 4 AAA batteries for 12-15 hours of playtime. Certified with CE, RoHS, FCC, EN71-1-2-3, REACH, and ASTM for quality assurance.