❃❃【Premium rechargeable battery cell】 Thanks to 21700 battery, offer more capacity than 18650 battery.Larger capacity provides 7-20 hours of cable-free use.Designed with a non-foldable handle to prevent the handle from breaking.Perfect for home,office,movies,sports,travel,etc. A must-have for your family and friends | ❃❃【Safe and One-Button Operation】Made from high quality ABS materials, very safe to use for both kids and adults. It is easy to operate with only one button, press the button to turn on/off the fan, and press repeatedly to adjust the wind speed . | ❃❃【3 Speeds,Small size but Powerful】Built-in powerful motor delivers a strong and cool air flow at 3 different speeds, allows you to choose appropriate wind speed as you wish.The working time of Speed 1 : 20 hours,Speed 2: 11 hours,Speed 3: 7 hours.A perfect partner in such a hot summer to keep you cool when travelling, working or doing sports. | ❃❃【Ultra High Capacity & Long Runtime】built-in high performance 5000mAh 21700 battery.The fan can be charged via USB cable by laptop, power bank, AC adapter and car charger,etc.It takes about 4-5 hours to full charge the fan, and it can run for 7-20 hours continuously(depending on different speed levels). | 【What You Get】(1) 2*Portable hanheld fan; (2) 2*USB C port charging cable; (3)2* Wrist Lanyard.12 months manufacturer warranty,30 days money Back Guarantee.24 x 7 Email services. Any questions,please contact us: click the "Ask a question" in our storefront or in "YOUR ORDER" options click the "contact seller".