Sonoro cuboGo. Radio type: Portable, Supported radio bands: FM. Driver size: 63.5 mm (2.5 "). Width: 94 mm, Depth: 94 mm, Height: 192 mm. Battery technology: Nickel–Metal Hydride (NiMH), Battery life (max): 20 h. Input voltage: 100-240 V, Input frequency: 50/60 Hz