Item:Whole Sell Children Toy Plastic Learning Musical Sound Book Model number:HXS-0015 Case size:331MM*115M*22MM Power by:5*AAA batteries Speaker:Dia 40MM,Dia 27MM Material:Plastic ABS Color:According to your requirement Music duration:1-360 secs or even more if needed Music formate:MP3/WAV Logo:Custom logo is available N.W :315G Certificates:Rohs CE Green Standards:Compliance with EU standard.