Grundig Music Boy 50. Radio type: Personal, Supported radio bands: FM, SW, MW (AM), FM band range: 5.8 - 18.5 MHz. Headphone connectivity: 3.5 mm. Weight: 900 g. Battery voltage: 1.5 V. Dimensions (WxDxH): 24.7 x 6.2 x 12.7 mm, Power requirements: 230V