1. Unit weight: battery capacity 4000mAh 175g, battery capacity 6000mAh 225g 2. Size: battery capacity 4000mAh 77 × 36 × 110 mm, battery capacity 6000mAh 77 × 40 × 108 mm 3. Material: ABS 4. Specifications: Input specifications DC5V, charging time is about 3-4 hours. USB cable is 100 cm long, battery time 4000mAh (about 3 hours in high-speed gear, 6 hours in medium-speed gear, 15 hours in low-speed gear), 6000mAh (about 4.5 hours in high-speed gear, 9 hours in medium-speed gear, low-speed gear 23 hours) 5. Features: small and portable, beautiful and practical, can be hung on the neck or buckled on the trousers, adjustable wind speed 6. Applicable occasions: home, office, study, work, travel, etc 7. How to use: clamp the long to the top of the pants, fix the short clip to the hem of the top, press the button to adjust the wind speed
