... 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/ ... battery & USB charge, play continuously for 4 hours. 5.TF card readability—portable speaker 6.Certificate: CE, ROHS, 1 ... years warranty 7.Logo printing and OEM service 8.Factory price, 12 ...