The DMR108 is fitted with two large speakers to provide high quality stereo sound, a retractable antenna and a fully digital display. There is a USB port which allows for charging mobile devices and an AUX-IN jack for connecting to external audio sources (Connecting cable is not included). The DMR108 features Elastomer bumpers to protect against rough handling on a jobsite with a falling impact strength of 1.0m. Finally the device is shower proof (withstands up to 5 minutes exposure to rain), IP64 rated. Supplied as a Bare Unit, No Battery or Charger. NOT compatible with G-Series Battery or Ni-CAD or Ni-MH Batteries.