Portable Neck Fan 10000mAh Rechargeable Fan Mini 3-Speeds Large Wind Outdoor Silent Electric Ventilador for Home Camping Outdoor

[True five-core cooling system] True five-core, only called cool over air conditioning

[Large air volume] Super cool, blowing the whole body 28 air ducts

[10000 mA] Industry top cold wind blowing a whole week! A week out of the house without power

Why do you need to charge again and again 10000mAh for a week