... long time to listen to3. A long rod antenna, enhanced AM/FM reception capabilitY,speaker / earphone dual mode sound output, adjustable volume ... 4. Use of high-quality radio integrated circuits, high-sensitivity FM / AM (MW)/WB 2-band optional radio; anywhere, anytime to capture ... an external power supply charge.Technical parameters: (1)AM 520~1710KHz FM 87~108MHz(2)1 minute hand-cranking supports over ...