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 Deg. sound for large and outdoor spaces. The Milwaukee M18 jobsite radio delivers full range connectivity with Bluetooth 4.2 (over 100 Ft.)， an auxiliary input， and an AM/FM radio with 18-station presets and durable antenna. Built-in AUX for when radio and Bluetooth are not available. Built-in equalizer， adjustable bass and treble for customizable sound. Subwoofer plus passive resonator deliver powerful low end sound. Four tweeters and four full range speakers deliver clear mids and highs. Weather-sealed storage compartment keeps belongings and mobile devices safe and dry. Water and debris resistant. Rubber overmold protects interior components making this speaker impact resistant. On-board bottle opener for convenience on and off the jobsite. Controls， battery， cord， and onboard storage are all accessible when stacked. The Bluetooth speaker also features a built-in M18 charger. This heavy-duty jobsite radio has a 2.1 Ah USB output to keep M18 batteries and mobile devices charged all day.