Multi-function switch + volume adjustment: Slide the wheel upward to turn on and increase the volume, slide the wheel downward to reduce the volume and turn off, easy to operate. Frequency tuning function: supports frequency adjustment of three bands: FM (87-108MHz), AM (522-1620KHz) and SW (5.9-18.0MHz) to meet different broadcasting needs. Band switching: Easily switch between different broadcast bands, making it convenient for users to choose their favorite radio stations. Working indicator light: The indicator light is always on during normal operation, and the indicator light will also be always on when the charger is connected during charging, ensuring that users can understand the status of the device at any time. Type-C charging port: The Type-C interface is used for charging, which has strong compatibility, fast charging speed and is easy to use. Power source: DC5V Horn: 4Ω 3W Lithium battery capacity: 14500(1000mAh) Type-C interface: rechargeable FM frequency modulation: 87-108MHz AM frequency modulation: 522-1620KHz SW frequency modulation: 5.9-18.0MHz Power consumption: 3W Product size: 116.2 * 70.5 * 31.6 mm Bare weight: 138.8 g Weight with packaging: 188.0 g