Tivoli Audio PAL BT. Radio type: Portable, Tuner type: Analog, Supported radio bands: AM, FM. Driver unit: 63.5 mm, Driver size: 63.5 mm (2.5 "). Headphone connectivity: 3.5 mm. Width: 93.73 mm, Depth: 98.55 mm, Height: 158.75 mm. Battery technology: Nickel–Metal Hydride (NiMH)