2.1 CH fm amplifer speaker, 1. Wonderful sound system 2.Cheaper,high quality 3.with USB/SD, FM 4.passed CE,FC 2.1 CH fm amplifer speaker,1. Wonderful ... sets)-20'G/40'G/40'H:524/1086/1274Description:1. 2.1 amplifer speaker with built-in USB and SD card reader, FM ... computer, laptop, DVD, VCD, CD, MP3, TV, mobile phone and other audio input4. 2.1 speaker with FC, CE certificates Accessaries:3.5mm stereo ...