Everything you need for your digital devices and inputs is right up front—an SD card slot, USB port and 3.5mm auxiliary input. The design is “Mechless” (no mechanical moving parts, so there’s no CD drawer). AM/FM receiver features electronic tuning with 30 station presets. Auto station-store. MP3 and WMA playback. SD card slot supports up to 8GB. Plays USB flash drives. The receiver is paired with 6 1/2"dia. coaxial speakers with dual injection-molded polypropylene cones and poly-coated cloth surrounds.