... .Multipurpose Pushup portable speaker with wheel 2.Read U disk,TF card 3.Material: ABS 4.Portable speaker,mini speaker Detailed Product ... Description1.Multipurpose Pushup portable speaker with wheel2.Read U disk,TF card3.Material: ABS4.Portable speaker,mini speakerPushups functional portable speaker ... and elegant style of latent port-Can read U disk, TF card,MP3/MP4 player, PC, Mobile, CD player etc-3. ...