Bosch PB120 12-Volt Max Lithium-Ion Compact AM/FM Radio with MP3 Player Connection Bay Ultra-thin compact size allows convenient storage, including L-BOXX system High-performance 2 by 5-watt neodymium speakers for maximum sound clarity and quality Integrated AC adapter storage for convenient storage when not in use High strength shock-absorbing housing and handles for maximum robustness and protection AC/DC power compatibility powered by Bosch AC adapter (included) or Bosch 12-volt lithium-ion batteries and chargers (sold separately)