Milwaukee Electric Tool 2792-20 M18 Job Radio/Charger Built-in charger quickly and conveniently powers up all Milwaukee M18 Lithium-Ion batteries Weather-sealed compartment offers onboard protection for small belongings and smart phone Premium speakers and 40 Watt amplifier produce a rich, full sounds for clear audio Customizable equalizer and 10 station presets deliver personalized and enhanced sound Exclusive Digital Bluetooth receiver streams audio wirelessly from over 100 ft.