Come and see our amazing products. Replaceable and Rechargeable battery ( INCLUDED ), 3 to 6 hours working time depends on different speeds.It have 2000mAh battery.USB charging by a computer, laptop, power bank, USB Charger, cellphone adapter, car charger, etc.It can be Put or Clip on anywhere you want, great for baby stroller, crib, home, office and anywhere need cool wind.Price over 5000pcs shipping by sea.It is a the best gift for friends and family. Pls confirm with us about the packing info, stock color and exact production time before placing your order.