new 54 keys music electronic keyboard kid electric piano organ w/mic & adapter, this keyboard is definitely the best gift for your children, external speaker/microphone/dc/ac powe unknown this is our 54 keys electronic keyboard which is perfect for stimulating your child’s imagination. comes with a learning function that can be used for kids of all ages, this keyboard is definitely the best gift for your children. don't hesitate to bring it home! feature brand new and high quality 54 standard accordion keys 16 volume control 6 demo songs/lesson/7 sound effects 32 tempo control vibrato/ sustain/ chord record/ playback learning function led display external speaker/microphone/dc/ac power specifications color: black dimensions: 24.8" x 7" x 2.4"(l xw xh) package size: about 27" x 9" x4"(l xw xh) weight: about 5 lbs output power:4w rated voltage: dc 9v package includes: 1 x 54 key children's electronic piano keyboard 1 x ac/dc adapter 1 x microphone