The MS 1033 is really a dual sound source, built on two independent sections that can be used at the simultaneously. CD player with anti-shock mechanic and electronics. It plays both audio tracks and MP3 files on compact discs (CD, CD-R, CD-R/W). It plays MP3 files (only) on USB flash drives and ‘Secure Digital’ (SD) cards (this port is also compatible for ‘MultiMedia Cards’) . Tuner (FM: 87.5 ÷ 108 MHz) with 60 memories (10 accessed directly and 50 through the remote control) to store and recall preferred stations quickly.