The 18V LXT® Lithium-Ion Cordless Bluetooth Jobsite Radio (model XRM04B) delivers rich sound and increased compatibility in a more compact size. It is a perfect addition to the workshop or job site. The XRM04B delivers great sound in a compact size, and features more settings and MP3 compatibility. With one auxiliary port for MP3 compatibility and one USB port which allows for charging your mobile device. XRM04B delivers rich stereo sound from two powerful 3.5" side-firing speakers. The radio can be powered by Makita 7.2V - 18V slide-style and pod-style batteries, including up to 20 hours of run time with the fast-charging 18V LXT® Lithium-Ion 5.0Ah battery (sold separately). The XRM04B is engineered to stand up against harsh job site conditions, and features protective bumpers and water-resistant construction for increased durability. It’s part of Makita’s expanding 18V Lithium-Ion series, the world’s largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery. Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger.