Portable Handheld Desk Fan,Dual-head fan with 3000 mAh Powerbank 20H Runtime,Duble Enhanced Airflow,Pocket Fan Battery Operated or USB Powered Folding

Color:Blue_ Product parameters_ Operating voltage/current/power: DC5V/3000mA/11W Battery capacity: 3.7V 3000mA Charging time: 2~3 hours Max Usage time: 20 hours (1 speed/20H_2 speed/15H_3 speed/10H ) Product size: 4.53*1.97*1.42 in / 115*50*36mm Net weight of product: 5.11 Oz/145g _Package Includes_ 1 x Duble-head Fan 1 x Type-C data cable 1 x instruction Manual 12 Months Warranty. Certification: FCC/ROHS/CE _Q&A_ Q 1: Is it safe? Will the hand be hit by the fan blades? A:Touchable Blade, the blades are very safe. If you accidentally touch the rotating blades, the soft blades will automatically stop and keep you safe. Q 2: When playing outdoors, in case the phone runs out of power, is this fan sure to be temporarily used as a power bank? A: This fan has a large-capacity battery 3000 mAh, which can be used as an emergency power bank. If the fan is fully charged, it can be fully charged for devices within 3000 mAh. e.g. mobile phone, MP3, or iPod, etc. Q 3: Is the wind of this fan really stronger than a single-head fan? A: This double-head fan, with dual motors, has very strong wind. the wind increased 100% compared to the original version.The maximum rotating speed of the fan is 3800 rpm which is enough for personal use to keep you cool. And with 3 speeds, it lasts for 20 hours at speed 1, 15 hours at speed 2, 10 hours at speed 3 after about 2-3 hours full charge. Q 4: In addition to outdoor use, can it be used at home at night? Does noise affect sleep? A: This double-head handheld and desk fan can be used continuously for up to 20H, double the wind power, it is very convenient for outdoor use, compact and foldable. It can also be used as a personal desktop fan at night. Built-in with no frame, the noise is down to 40db .Bring you a very cool night