• 【Ultra-High-Speed Motor】Equipped with a powerful motor reaching up to 77,000 RPM, delivering exceptional air supply for effective cleaning and cooling applications.
• 【199-Level Speed Control】Features precise 199-level wind speed adjustment with LED digital display showing real-time power, gear, and charging status for optimal performance control.
• 【Versatile Multi-Nozzle System】Includes 3 specialized nozzles (flat, pointed, and round) designed for different scenarios including computer keyboards, household cleaning, automotive, and industrial dust removal.
• 【Long-Lasting Battery Performance】4000mAh lithium battery provides 38 minutes to 10 hours of operation depending on speed setting, with 3.5-hour fast charging capability.
• 【Powerful Airflow Range】Delivers variable wind speeds from 3.9m/s on low setting to 17.5m/s on high setting, perfectly matching personal cooling and professional dust blowing needs.

Specifications:

• Model: YF4
• Material: ABS+PC
• Product Size: 137×39×79mm
• Battery Capacity: 4000mAh
• Charging Time: 3.5 hours
• Operating Time: 38 minutes - 10 hours
• RPM: Up to 77,000 RPM
• Wind Speed Gear: 199 levels
• Charging Input: 5V/2A
• Charging interface: USB-C
• Noise Level: ≤75dB
• Airflow Speed: 3.9m/s - 17.5m/s