Different frequencies can meet your radio needs anytime, anywhere. FM: 87-108MHz AM: 520-1620KHz Real-time monitoring of conditions in different areas via multiple channels, there is a clear LCD screen on the front of the radio that shows the channel and volume; At the same time, the front indicator light shows the charging level, signal and battery level. The rechargeable radio with 4000mAh large capacity is designed with 4 charging methods: hand-cranked charging, solar charging panel, USB Type-C charging and 3 AAA batteries (not included). No matter which way, charging is easy. Full charging takes 2-3 hours. In addition, the radio can provide emergency power to your mobile phone (recommended for emergency use only). The LED light has 3 levels of adjustable brightness, allowing you to achieve night lighting. There is also a reading light on the top for easy reading in the dark. There is also a 3.5mm headphone jack on the side, which allows you to use the emergency radio to provide SOS alarm function. Just press the \"SOS\" button, the radio will emit a loud alarm sound and the LED indicator light will flash.