Air Blower - 130,000 RPM Power & 4 Speeds Extreme Max Speed: Up to 130,000 RPM, ensuring superior air blowing power. Powerful Battery for Long Performance: Equipped with a 5000mAh lithium-ion battery, providing 20 to 70 minutes of usage time (depending on the selected speed). Efficient Charging: Fully charged in less than 2.5 hours. Precise Control & Smart Features 4 Adjustable Speeds: Full control over the air blowing power level through 4 easily selectable speeds: First Speed: For light daily use. Second/Third Speed: For extra and strong blowing power. Overdrive Speed (Fourth): For situations requiring extreme air blowing power and maximum force. Clear Indicator Light: A built-in indicator light shows you the selected speed, making adjustment and use easier.