Philips AZ300. Audio system: stereo, RMS rated power: 2 W, Audio formats supported: MP3. Supported radio bands: AM, FM, Antenna: FM. Playback disc formats: CD audio. Volume control: Rotary. Battery type: C size - LR14, Power requirements: 110 - 127 V, 220 - 240 V, 50/60 Hz, Battery voltage: 1.5 V