1. Compact and flexible in volume, easy to store. Small and portable, convenient to carry. 2. Silent design. Sound detection. 3. Powerful turbo fan, high - speed fan, LED lighting. 4. Usage scenarios: Dust blowing for cameras, dust blowing for equipment, barbecuing, pet drying, equipment dust removal, plant cleaning. 5. Battery capacity: 2500mAh x 2, super - large capacity. Using high - quality external batteries, with long - lasting power, super large, truly large, no fake labels. 6. Three wind speeds, button operation for water blowing, air blowing, dust blowing, etc. You can control the wind power in your hand. - First gear: Gentle wind - Second gear: Strong wind - Third gear: Storm mode. High wind speed of 35m/sec. The wind is driven by the air channel and flows rapidly. 7. Product name: Turbo fan. Maximum wind speed: 39.5m/s. 8. Model: ZY7400 - SE/Pro. 9. Working voltage: 7.4V. 10. Charging time: Approximately 2 hours. 11. Single - gear usage time: - First gear range: 69 minutes - Second gear range: 50 minutes - Third gear range: 27 minutes - Clock range: 20 minutes 12. Color: Black. 13. Material: Plastic. 14. Packaging contents: 1 * Turbo fan. Only the above packaging contents are included, no other products. 15. Note: - Due to light reflection and different monitors, the color of the item in the picture may be slightly different from the actual object. - Due to manual measurement, an error of +/- 1 - 3cm is allowed.