U-23 Ultra-Long Battery Life Outdoor Mute USB Bluetooth Hanging Neck Fan(blue)

1. Bluetooth design, head-mounted, silent design, long-lasting battery life 2. Adopt active noise reduction motor and advanced air duct noise reduction design 3. Using new energy batteries, ultra-low power consumption 4. Upgrade the quad-core hurricane motor, and the coverage area of the whole body air supply and cold air is increased by 30 times 5. No headache, the healthy wind imitates the ramp to break up the hard wind 6. Outer centrifugal anti-twist air outlet, long hair does not curl, not sticky 7. Bluetooth design, not only can enjoy the cool breeze, but also enjoy good music 8. Exquisite buttons, easy to adjust the wind power 9. Long standby time, large-capacity battery 4000mAh, can listen to music and blow the wind 10. Curved hanging neck, release your hands for a cool summer 11. Leafless design, strong wind for heat dissipation 12. Power supply mode: USB/built-in lithium battery 13. Charging time: about 2.5 hours 14. Use time: 3-9 hours 15. Rated voltage: DC5V 16. Battery capacity: 4000mAh 17. Material: ABS+electronic components 18. Dimensions: 175 x 56 x 238MM 19. Net weight: 345G 20. Gross weight: 495G