Leafless Hanging Neck Fan Lazy Sports Portable Outdoor USB Charging Fan Standard(White)

1. Battery capacity: 4000mAh (14.8WH/3.7V)
2. Input: DC 5.0V/2.0A
3. Battery: Lithium-ion battery
4. Fan power: 5W
5. Weight: about 315 grams for standard models, about 340 grams for refrigerated models
6. Charging time: about 4 hours
7. Working time: about 3-7 hours (depending on different gears/use scenarios)
8. Size: about 20.1x19.2x6 cm
9. Material: ABS+TPR

Features:
1. LED smart display, one-button button, simple operation, three-speed adjustable
2. 4 air chambers, dual-channel air intake design, strong wind gathering
3. Built-in 4000mAh large capacity battery
4. Hot stamping process, beautiful and exquisite
5. Double heat dissipation system, matched with high thermal conductivity aviation aluminum material, can quickly dissipate its own heat
6. U-shaped ring neck 4 point card position, fits the skin, good elasticity, comfortable to wear