... Spectrum with balance display, support USB/SD, MP3, FM radio, remote control, with left & right LED display. This product can ... FM frequency range 88MHZ-108mhz Function MP3 player + FM radio Remote control 1Another typeR&D, Bi-Spectrum with Tuning PotentiometerOEM & ... StaffProduct Line: mini Card& USB reader speaker, portable FM radio speaker, mobile speaker, active speaker, tower speaker, stage speaker ...