The Makita DMR108N Job Site Radio runs on both an AC adaptor and Makita Li-ion batteries. Equipped with Bluetooth version 5.0 to wirelessly stream music from your handheld device such as an iPhone or MP3 player. The two large speakers provide high quality sound. A USB port allows for charging mobile devices and a AUX-IN jack for connecting to external audio source (Connecting cable is not included). Elastomer bumpers protect against rough handling on a jobsite. It also has a dust and showerproof construction, IP64-rated. Comes as a Bare Unit, No Battery or Charger. Compatible with 12 - 18V slide type Li-ion batteries. NOT compatible with G-Series Battery or Ni-CAD or Ni-MH Batteries. Specifications: Range: FM 87.5-108 Mhz, AM 522 - 1710 kHz. Battery Type: Lithium-ion. Battery Range: 12 - 18V. Speakers: 2 x 89mmØ.