A must have tool of survival: portable multi-purpose AM/FM emergency radio and charger, SOS alarm siren to ask for help if you have an emergency or someone in need. Perfect for household, camping, hiking, travel, night driving, adventure and survival, an essential tool for emergencySupport frequency range: FM / AM radio with built-in high-quality speaker for entertainment. FM: 76 ~ 108 MHz, AM: 522 ~ 1650 KHz, with our dynamo radio, you won't miss any news, world news, traffic information, sporting events, weather information or music4 ways to charge: built-in 500 mA lithium battery, can be charged by solar, hand crank, 5 V DC USB (USB cable included) and with 3 AAA batteries (not included). This rechargeable device provides up to 15 hours of light or 6 hours of wireless time depending on the type of charging1639/5000 A must tool of survival Portable multi-purpose AM/FM emergency radio and charger, SOS alarm siren to ask for help if you have an emergency or someone in need. Perfect