Sony ZS-SN10. Audio system: Bass Reflex. Loudspeaker diameter: 100 mm. FM band range: 87.5 - 108 MHz, LW band range: 153 - 279 kHz, Supported radio bands: 611 kHz). Battery type: 6 X LR14 (not supplied), Power requirements: AC 230 V. Weight: 3.8 kg, Dimensions (WxDxH): 500 x 230 x 145 mm