... product adopts the high quality radio circuit with high-sensitive 2 band FM/AM radio, with digital display, more sensitive, ... reuse limitlesslyCharged by external adapter (optional)Digital display of frequency, 2 band: FM/AMDigital clock, timing power onCharge digital devices, mobile ... output power100 mW6. Radio working time after 1 minute cranking (2.5 - 3 circles/s)18 - 27 minutes7. Lighting time ...