Pyle PLMRKIT101 In-Dash Marine AM/FM PLL Tuning Radio with USB/SD/MMC Reader, Stereo Cover, 6.5-Inch Speakers, and  USB Drive AM/FM-MPX PLL Tuning Radio - LCD Display - Volume/Bass/Treble/Balance/Fader Control - 30 station Memory Power Output 4 x 50 Watts - 2 Channel RCA Line Out - USB Interface (decode MP2 WMA) - SD/MMC Slot AUX Input - Remote Control - Marine Coating - Blue Illumination - Clock Function 6.5" Speaker System - White Water Resistant Radio Shield USB Drive: Easy plug and play installation, no external power required