Our Bluetooth Radio Speaker features two high quality speakers that provide stereo performance sound and clear reception along with enhanced sound with the equalizer feature. The Bluetooth compatibility allows users to wirelessly stream music from any smart device. AM/FM presets allow users to select and save favorite stations, and the AUX mode plays MP3s from Bluetooth-enabled devices. This is a durable and compact radio that withstands jobsite elements and is easy to store or move around. It operates on 20V MAX* Lithium ion batteries and an alternate power source with an AC adaptor.