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Feature

Long Working Time This fan can run with one or two rechargeable 18650 batteries. One battery can last for 5 to 7 hours and two can last for 8 to 11 hours.
OPOLAR Biggest Desk Fan This 9 inch desk fan is the biggest desk fan among OPOLAR Store, which can be drove with a 5V USB cable or Li-ion battery. Note: This fan cannot be run with regular battery, except 18650 battery.
Quiet and Easy-operated With OPOLAR's latest dynamic technology, the fan produces a great air and runs very quietly. It will not disturb your work and sleep. Two simple settings make it easy operated.
Multiple ways of chargingThe fan comes with 2 of the best quality lithium-ion 18650 3350mAh batteries. You can also power or charge the fan via USB to use with computers, power banks, or wall adapters, etc.
Adjustable HeadThe sturdy metal frame is able to be adjusted 360 degree up and down so you can choose the wind direction easily according to your preference.

Description

Need a larger battery operated fan with more airflow? This one is perfect for your needs. It adopts latest dynamic technology, the fan produces a great air and runs very quietly. It will not disturb your work and sleep. Besides, two batteries are a great bonus. It can save you form hot flashes when there is no electricity. A good supply to deal with summer hurricane.

To ensure that we meet your needs, OPOLAR offers one year warranty for defective products. Incorrect human operation, including but not limited to disassembling, burning, soaking, and dropping it, is not covered by the warranty.

Specification:
Model: F5311
Speed Mode: Two Speeds
Two 3350mAh Batteries
USB cable
User Manual