Come and see our amazing products. This portable USB folding fan supports wireless use, and the rechargeable battery can be used for 4-5 hours depending on the wind speed. Foldable design: 6.5 inches in diameter, compact and portable, suitable for outdoor travel and storage. There are multiple charging methods power cord, mobile power bank, computers/laptops, car chargers, etc. In addition, this mini fan can also be adjusted in multiple angles, allowing you to aim the cold air in any direction. Has 3 speeds, allowing you to enjoy the hot summer in different scenarios, capturing, cooking, working, camping and barbecue. Custom LOGO is available. Price for over 5000 is for sea shipment. Pls confirm further with us if any query about packing info, inventory status and time schedule.