Trevi RA 704 V, Portable, Digital, FM, 87.5 - 108 MHz, Purple, Digital Trevi RA 704 V. Radio type: Portable, Tuner type: Digital, Supported radio bands: FM. Product colour: Purple, Volume control: Digital, Protection features: Water resistant. Battery type: AA. Power source: Battery. Width: 90 mm, Depth: 87 mm, Height: 222 mm