Mini-Core Speaker case (loud speaker,audio speaker) 1,Cpmbining form:1.0 2, appearance:heart-shaped 3,speaker bag diameter:2 Mini-Core Speaker case;(loud speaker,audio speaker);Speaker bag Style:DynamicSpeaker Diameter:25mmResistance Range:275 Hz-20KHzOutputPower:2WBatter:N.5(AA)*2speaker bag can protect the earphoneor other small parts perfectly speaker bag ,elegant ,durable,reliable qua;ity, ...