HAND-CRANK POWER GENERATOR: Power supply by hand-crank or USB input, it can be timely charged when it is running out of power. Also can be used as an emergency power supply for your mobile phones or other digital devices, suitable for traveling, camping, HIGH-SENSITIVITY AM/FM RADIO: Provide AM/ FM dual frequency, automatically search and store the radio station, stable and clear for signal receiving. AMAZING SOUND QUALITY: Built-in full-range loud speaker with bass, loud and clear sound, provides you a clear and natural listening enjoyment. 3 LED EMERGENCY FLASHLIGHT: Equipped with 3 pcs super bright white LED lights, a great light source for illumination at night. EMERGENCY ALARM FUNCTION: 90dB emergency alarm, while in danger or emergency case, it can make very loud warning sounds for notifying other person.