[Dare to Be Different] The stable fan structure based on aerodynamic and the advanced brushless DC motor makes this rechargeable floor fan produce a quiet and strong wind. The wind speed transition is stable even you change the speed randomly. [High Quality Battery] Our battery fan has built in the 15000 mAh battery which capacity is higher than other outdoor battery fan. We use the latest fast charging technology, when other battery less than 15600 mAh took 4-6 hour to fully charged, our fan only need 3-4 hour to fully charged. We pursue quality and hope that you too. [Ideal for Outdoor] This rechargeable floor fan can run up to 24 hours after a full recharge, 3.5 hours at the highest speed. That is enough to satisfy your needs for a few days trip. In addition, the stability and portable design makes this rechargeable fan be suitable for outdoor use, such as BBQ, camping, fishing, outdoor sports etc. [Suitable for Indoor] This floor fan adopts the upgraded pitched propeller blade design to provide soft and comfort breeze. Its cordless and battery design makes it fit in any room position. You can use this fan as a indoor floor fan, an air circulator fan and an outdoor fan. You deserve to have this revolutionary rechargeable fan. [High Quality] Sturdy metal frame and blade, durable paint surface, you can feel the high-quality.