mp3 music LED light base: 1,size:8(top dia)x4(h)mm 2,power by usb or ac adapter or 3pcs AAA batteries 3,take 8 first music mp3 music LED light base:1,size:8(top dia)x4(h)mm2,power by usb or ac adapter or 3pcs AAA batteries3,take 8 first mp3 music.4,top center 7 LED lights,can be color led or white led or customized.5,top mirror 360 degree rotating