Unique battery fan on Amazon with the low battery reminder. Press the power button to see how much power is left and whether the personal fan needs to be recharged. LED indicator status: 1) All 3 lights on: fully charged; 2) 2 lights on: 60% power left; 3) 1 light on: 30% left. (Note: LED indicator flashes while charging. Once fully charged, it will remain lit.)
Advanced One-Touch Turn Off Function
The only handheld fan with the one-touch turn off function. Hold the power button for 3 seconds to turn the portable fan off, avoiding multiple presses of the power button and making the battery fan even more convenient to use.
Upgraded 3350mAh Battery - Up to 17 Hours of Use
Built-in rechargeable battery for easy charging and use. Capacity increased to 3350mAh for 3-17 hours of cableless use. Portable personal cooling fan with foldable handle for easy handling as well as transport in bags and purses.