Tivoli Audio NetWorks. Radio type: Internet, Tuner type: Digital, FM band range: 2412 - 2462 MHz. Driver unit: 89 mm, Driver size: 88.9 mm (3.5 "). Display: LCD, Backlight colour: Blue. Width: 140 mm, Depth: 130 mm, Height: 222 mm. Battery technology: Alkaline, Compatible battery sizes: AA, Battery voltage: 1.5 V