Digital AM/FM Tuner With RDS (Radio Data System)/ Store Up To 18 Of Your Favorite AM/FM Stations For Quick Access/ Conveniently Charge Your Phone Or Media Player/ IP66 Rated For Real Marine Duty/ Protective Sun Cover Included/ Built-In Amplifier Generates 100 Watts Of High-Fidelity Output/ Independently Adjustable Offset Volume Level For Each One/ Black Finish