The Milwaukee? M18? PACKOUT? radio + charger is the ultimate jobsite sound system, fully compatible with all PACKOUT? storage system solutions. This 10 speaker sound system delivers 360? sound. The Milwaukee M18? jobsite radio delivers full range connectivity with Bluetooth? 4.2, an auxiliary input, and an AM/FM radio. The Bluetooth? speaker also features a built-in M18? charger. This heavy duty jobsite radio has a 2.1AH USB output to keep M18? batteries and mobile devices charged all day.