1.easy to carry,mp3 put inside 2.good and fashion gift for your friend 3.any design is available 4.mp3 speaker Material:PU+EVAgood and fashion gift for your friend,customer,colleagueMany colors are available,Any design is availableCustomer’s logo is available with amplifierPortable, enjoy music everytime Attractive out apperance For MP3,MP4,Iphone,Ipad etc...Adapting professionalAntimagnetic ...