Description 1. Built-in high-capacity battery provides long-lasting and stable power, meeting the needs of daily commutes, travel, and outdoor use. 2. Lightweight and portable design, compact and space-saving, easily fits in a pocket or bag, allowing you to enjoy coolness anytime, anywhere. 3. Material: ABS + Aluminum sheet + Electronic components + Zinc alloy 4. Dimensions: 182x50x57mm 6. Weight: 230g 7. Battery Capacity: 3600mAh 8. Charging Time: 4 hours 20 minutes 9. Battery Life: 3hours 10 minutes - 10 hours 10. Rotation Speed: 8500RPM (MAX) 11. Wind Noise: 65dB 12. Digital Display: Battery Level Display