... active speaker 1.Type: 2.0 active speaker 2.Support TF,PC,MP3,Mobile,PSP 3.CE,ROHS Item: Active ... Speaker with TF Card Socket Features: 1.Active Speaker for MP3/MP4/ ... battery & USB charge, play continuously for 4 hours. 5.TF card readability—portable speaker 6.Certificate: CE, ROHS, 1 years ... ) Package: Color box PVC box Accesory Active Speaker with TF Card Socket