blue USB foldable handheld mobile power fan AZ7469 COMLIFE Mini Handheld Fan, Foldable Rechargeable Battery Operated Desk Fan with 5200mAh Power Bank Function, Portable Personal USB Cooling Fan for Home, Office, Travel and Outdoor?[MUTIFUNCTIONAL USAGE] Thanks to several unique designs, this fan can be used in many ways: ¢Ùsimply hold it on hand; ¢Úfold it up and put on the desk; ¢Ûwith two V-shaped buckles, you could hang it on your umbrella; ¢Üwith a detachable metal clip, you could clip it on office board, desk calendar, tent, baby stroller, etc.?[LARGE BATTERY CAPACITY & MULTI POWERED METHOD] This handheld fan has 2*2600mAh batteries. It takes 4.5 hours to get fully charge and can continually work up to 7-25 hours. With the 31.5in USB cord, the fan can work with USB power source directly without battery, such as laptop, power bank, USB charger and so on.?[POWER BANK FUNCTION] The batteries are made as a power bank(Capacity: 5200mAh; Output current: 5V/2A). When you are on a trip, you could detach it from the fan and use it to charge mobile phone or MP3 in emergency. It¡¯s convenient and safe for use as the power bank will auto shut off after 10 seconds dis-use.?[THREE SPEED CHOICES] Soft wind, natural wind and strong wind. You could adjust the one you like by pressing the switch button repeatedly.?[PORTABLE AND LIGHT-WEIGHT] 4.1inch in diameter and 0.49lb in weight. You can put it in bag with you wherever you go. Perfect for outdoor activities in summer like walking, camping, fishing, hiking, watching ball game or vocal concert. Feel cool at any time