Desk Fan Portable Fan Rechargeable,4000mAh Battery Operated Personal Fan,Small Silent Table Fan Travel Fan with Power Bank,4 Speeds Desktop Fan for Bedroom Home Office Outdoor (Black)

【7.5-23 Hours Cooling Time】Up to 23 hours cooling time in one full charge with battery mode OR USB mode for no stop working. 4000mAh battery powered fan allows you to enjoy it while travelling, sleeping, working and any other indoor or outdoor activities.

【4 Speed Adjustable Wind】Experience customizable cooling and comfort with the 4 speed settings of our rechargeable fan portable. From a gentle breeze to a powerful gust, each airflow is thoughtfully crafted to cater to your needs. Especially the 4th speed variable frequency wind can provide the closest natural wind.

【Ultra Quiet Portable Fan】Size: 6.6x5.6x1.5 inches, weight: 9.3 oz, and foldable fan bracket making our small fan more easy to carry. Plus, the max noise of quiet table fan less than 35 db, it won't disturb working, studying, sleeping and meeting.

【Easy to Clean, Emergency Charging】Have you ever experienced the desktop fan is inconvenient to clean or cellphone is out of battery at important moments? If so, then our personal fan is a better choice. With a detachable fan frame and emergency charging design, it will bring you more convenience.

【High-end and Durable】Leading structure, appearance design, premium materials, strict quality inspection and appearance treatment process make this table fan easy to use, sturdy and beautiful. The large air inlet and outlet fan frames structure achieves maximum air intake for fast cooling from all angles.