1.LED programmable voice chip module 2.hot-selling in toys,gift and book 3.popular design for children 4.CE,ROHS,FCC ,EN71. ... sound :1.Application:for shoes, clothes, hats,toys etc which need to flash.2LED color:white,red,blue,yellow,green ,color changing for choice3. ... Power by: CR2032.CE2050 or other button cell battery4.Lifetime:can flash for more than 5000 ...