... portable speaker with wheel 2.Read U disk,TF card 3.Material: ABS 4.Portable speaker,mini speaker ... Multipurpose Pushup portable speaker with wheel2.Read U disk,TF card3.Material: ABS4.Portable speaker,mini speakerPushups functional portable ... elegant style of latent port-Can read U disk, TF card,MP3/MP4 player, PC, Mobile, CD player ... directly Multipurpose Pushup portable speaker with wheel KZS-620