This radio features multiple charging methods for ultimate convenience. Utilize hand-crank charging, USB charging, or solar charging to power up the device anytime, anywhere Equipped with touch-sensitive front light and a flip reading light, this radio offers versatile illumination options. Choose between cool light and warm light settings with four adjustable brightness levels to suit your needs With dual USB ports, this radio doubles as an emergency power bank, allowing you to charge your electronic devices when needed In case of emergencies, activate the SOS alarm feature for immediate assistance. This powerful function ensures you're prepared for any unexpected events during outdoor adventures or emergencies Specification: Battery capacity: 6000mAh Charging method: hand crank/USB charging/solar powered Lighting mode: touch-sensitive front light, flip reading light Product size:139*82*266 mm Waterproof level: IPX3 Quiescent current:<0.3mA Maximum power: about 15W Working voltage: 2.7V~4.2V AM: 520-1620KHz FM: 87-108MHz Notes: 1. When this radio is used for the first time or has not been used for more than 60 days, place it under strong solar light (sunlight > 86000LUX) for 30 minutes or crank it by hand for one minute to charge the internal battery and regenerate the battery. 2. When using this machine, please do not over-discharge, otherwise it will reduce the service life of the battery inside the machine, or even damage the rechargeable battery inside the machine. 3. Only use a soft damp cloth to clean this product. Do not use alcohol or other liquids containing corrosive ingredients to clean this product. 4. Avoid flashlight light shining directly into your eyes, as strong light can damage your eyes. 5. When the lithium battery is out of power, you can use dry batteries (3 AA batteries, not included).