Sony ZS-YN7L B. Audio system: Mega Bass. Loudspeaker diameter: 80 mm. FM band range: 87.5 - 108 MHz, LW band range: 153 - 279 kHz, Supported radio bands: MW(531-1611 kHz). ID3 Tag display: song title, artist, & album. Battery type: C, Power requirements: AC 230V