Remarkable 14m/s wind speed, delivering an instant blast of powerful airflow for a refreshing experience Effortlessly adjust the fan speed with push button. Move from low to high speeds seamlessly by sliding the control button upwards Reach new heights with an 80,000 RPM high-performance motor, boosting the fan's airflow by an impressive 200% The built-in AI chip ensures safety with a design that prevents overheating High-density 4500mAh rechargeable battery. Benefit from enhanced energy density, resulting in improved charging and discharging efficiency Specifications: Product model: FS19 Working voltage: DC 5V/2A Maximum power: 55W Charging indicator: The indicator light flashes when charging, and the indicator light stays on when fully charged Battery: 18650/1500mAh*3 Fan: stepless speed adjustment Charging time: about 2 hours Charging interface: Type-C Battery life: about 0.3-2 hours Control method: press button + push button Dimensions: 149x73.1x45.4mm Product net weight: 0.29kg