💕 ✈ Charging red light, full of bright blue lights The wind can be adjusted,USB convenient and fast charging for 20 minutes, can last for 8 hours
💕 ✈ COMFORTABLE DESIGN: A cap that has a mini fan cooling the face,Unique velcro strap design, make you easy adjust size to match you need.
💕 ✈ OCCASION: Great for the summer, perfect for outdoor activities, as cycling, hiking, walking, golf, baseball sport and so on.
💕 ✈ Increase battery capacity, safe explosion-proof lithium battery（It has 400 mAh lithium battery）
💕 ✈ MATERIAL: This cap made of cotton material, it is durable, breathable, comfortable and lightweight.