Multi-function Emergency RadioThis small portable radio is more than just an FM/AM radio for daily use. Behind its well-designed appearance is a multi-function emergency radio. It can be used as a flashlight in the dark, as a mobile power source during power outages, as a reading light when camping, and as an SOS alarm with a flashlight in an emergency. It is perfect for camping, fishing, traveling, and emergencies.4 Charging MethodsEquipped with a built-in 2500mAh rechargeable battery (not removable), the portable USB radio has 4 charging methods. USB charging is the best choice for daily life. The hand crank and solar panel are essential accessories for camping or emergencies. When powered by 3 AA batteries (not included), please switch to "AA" mode. The battery-powered radio will not run out of power in any emergency! (Note: Only the built-in battery of the radio can be charged.)Emergency Power SupplyThe hand crank radio is an emergency auxiliary device. When your phone is out of power during outdoor activities or a power outage, don't worry! The radio can power your phone in an emergency, so that your phone can stay powered in any emergency!