... 2.Cheaper,high quality 3.with USB/SD, FM 4.passed CE,FC 2.1 CH fm amplifer speaker,1. Wonderful sound system2.Cheaper ... ,high quality3.with USB/SD, FM4.passed CE,FC ... :524/1086/1274Description:1. 2.1 amplifer speaker with built-in USB and SD card reader, FM radio, outside antenna, remote control,2 ...