Mi-ni Speaker pouch (audio speaker,leather bag) Moder:Mini-Bag small and exquisite Sensitivity: 95% Mi-ni Speaker pouch(audio speaker,leather bag)Lode power:5wVCC: 3Vsmall and exquisiteExterior material:EVA advanced fabrics;color,logo,size for the customized.the speaker can protect your MP3/4,walkman etc.have waterproof and shockproof function