Lazy Hanging Neck Fan Bladeless Silent Sports Fan,Model: A306 Four -core 4000 mAh Green 1. Adopt unique air outlet design, 4 brushless motors, 360-degree wrap-around, 90% increase in air volume, three-speed adjustable air volume, 4×32 turbine blades are powerful and comfortable, and cool down quickly in 3 seconds 2. Low power consumption design, can keep working for 2-8 hours after a short charge. Short charging time, no fan blades, silent design, no hair clipping. 3. The middle is made of food-grade silicone material, the angle can be adjusted at will, and it is more suitable for the skin. 4. Relax anytime and anywhere, hang it around your neck, suitable for travel in hot weather, save the embarrassment of sudden sweating in many places in public, it is a good helper for you in summer 5. Suitable for personal cooling, office, church, outdoor activities such as camping, traveling, hiking, climbing and watching sports games, etc. 6. Battery capacity: 4000mAh 7. Charging time: 0.5-3 hours 8. Gear: third gear 9. Material: ABS TPE silicone 10. Input power: 5V1A 11. Running time: 1st gear4.5 hours, 2nd gear3 hours, 3rd gear2.5 hours 12. Product size: 218 x 140 x 47mm