Milwaukee MILN2590-20 12V Cordless M12 Lithium-Ion Radio. Thanks to the exclusive digital processor, the 2590-20 Radio delivers highest reception and digital signal clarity. Premium weatherproof speakers deliver a high quality sound. Weather sealed MP3 compartment protects any small device from rough situations. Shock absorbing ABS polymer housing gives a safe protection against weather and abusive job site conditions. Ultraslim size. Powered by M12 Lithium-Ion battery packs or AC adaptor. M12 Lithium-Ion battery and charger sold separately