Tivoli Audio NetWorks/FM. Radio type: Internet, Tuner type: Digital, Supported radio bands: FM, N. Driver unit: 89 mm, Driver size: 88.9 mm (3.5 "). Display: LCD, Backlight colour: Blue, Display number of colours: Monochrome. Width: 140 mm, Depth: 130 mm, Height: 222 mm. Battery voltage: 3 V