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【 Longer Working Hours, Battery Operated & USB Powered 】Hurricane season good helper. The 2021 Upgrade viniper brand rechargeable small desk fan operates with 3600mA lithium battery(Built in) and can operate for 8-24 hours after a full charge. At the same time, the bi-directional optimization of the motherboard and battery makes the viniper usb rechargeable fan have longer working hours. It can also be used via USB port from your PC/computer/USB charger or other USB devices.
【Strong Cooling & 180°Rotation】The viniper small desk fan has a strong and stable wind that keeps you cool. not disturbing your rest and work. The USB desk fan has 180 degree adjustable rotation.
【3-stage adjustable wind speed & Quietness】 Small but poweful. 3-stage easily adjustable wind speed. The speed of this portable desk battery fan can also be adjusted among low, medium, and high according to your demands. it is decent and quiet which ensure the peaceful flow of air, and enough for personal use.
【Safe & Portable】Used high-quality ABS and Brushless copper motor. It has stable performance and long operating life. And It is trouble-free to put this small ( 6.2*6.2*2.3 inch, weight-9 ounces) and the exquisite battery usb fan into your bag and carry it for outdoor events. Also, it can be used for indoor use. Ideal suitable for office, family, dormitory, library use and etc.
【Package Content & Customer Service】You get one viniper Portable Battery Desk Fan, one USB cable, one user guide, Please write amazon email to us for help if meeting any problem. We will respond within 24-hours.