Specification Item Name Electronic Keyboard Module KitCircuit Board Dimensions 99mm x 45mmPower Supply 5V DCMain Chip STC8H1K08 36I SOP16Input Method 8 button interfaceAdditional Features Built in music modes LED indicationNote This is a DIY kit you need to assemble and solder Features 1 Corresponds to 8 musical notes enabling users to play melodies manually 2 Adjustable three pitch modes high low and normal tone settings 3 Includes 14 built in songs 7 children s songs and 7 soothing melodies 4 Supports sequential playback users can switch songs by pressing designated buttons after completion 5 Equipped with LED light effects that simulate flowing patterns enhancing the interactive experience 6 Multi functional button configuration allows various modes music mode pitch adjustment etc Package Includes 1 x Parts 1 x Shell1 x Power Cable