Mini Fan Portable Foldable Fan USB Rechargeable Battery 4 Speed Strong Winds Outdoor Travel Cooling FanUpgraded 9000mAh Battery - Up to 53 Hours of UseBuilt-in rechargeable battery for easy charging and use. Capacity increased to 9000mAh for 9-53 hours of cableless use. Portable personal cooling fan with foldable handle for easy handling as well as transport in bags and purses.Advanced One-Touch Turn Off FunctionThe 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.Low Battery Reminder- -Recharge in TimeUnique 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 percent power left 3) 1 light on: 30 percent left. (Note: LED indicator flashes while charging. Once fully charged, it will remain lit.)Upgraded to 4 SpeedsSpeeds of handheld fan increased from the commonly seen 3 to 4 modes. Speed 1 is suitable for indoor use such as napping Speed 2 for regular indoor use Speed 3 for outdoor use such as shopping Speed 4 for outdoor use such as picnics, camping.Washable Fan GuardTurn the personal fan guard clockwise to remove it and turn it counter-clockwise to put it back on. Dust will accumulate after prolonged use outdoors, and cleaning the fan guard will extend its lifespan.Can use as a powerbankWhen you go out , this handheld fan can use as a powerbank when your phone is no energy Mini Fan Portable 3350mAh USB Rechargeable 4 Speeds Desk Fan One Touch Power Off Cooling Outdoor Travel Handheld FanLow Battery Reminder- -Recharge in TimeUnique battery fan on Amazon with the low battery reminder. Press the power button to see how much power is left and whether the fan needs to be recharged.LED indicator status:1)All 3 lights on: fully charged 2)2 lights on: 60 percent power left 3)1 light on: 30 percent left. (Note: LED indicator flashes while charging. Once fully charged, it will remain lit.)Advanced One-Touch Turn Off FunctionThe only handheld fan with the one-touch turn off function. Hold the power button for 3 seconds to turn the fan off, avoiding multiple presses of the power button and making the fan even more convenient to use.Upgraded 3350mAh Battery - Up to 17 Hours of UseBuilt-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.Upgraded to 4 SpeedsSpeeds of handheld fan increased from the commonly seen 3 to 4 modes. Speed 1 is suitable for indoor use such as napping Speed 2 for regular indoor use Speed 3 for outdoor use such as shopping Speed 4 for outdoor use such as picnics, camping.Washable Fan GuardTurn the fan guard clockwise to remove it and turn it counter-clockwise to put it back on. Dust will accumulate after prolonged use outdoors, and cleaning the fan guard will extend its lifespan. 5000mAh Mini USB Portabl Fan One Touch Power Off Recharge Fan Desk Fan 4-20 Hours 4 Speeds Control for Home Outdoor Low battery reminder - - charge in timeUnique battery fan on Amazon with a reminder when the battery is low. Press the power button to see how much power is left and if the personal fan needs charging. LED indicator status: 1) All 3 lights on: fully charged 2) Lights on: 60 percent electricity on the left 3) 1 light on: 30 percent left (Note: LED indicator flashes while charging. Once it is fully charged, it will stay on.) Advanced one-touch switch-off functionThe only hand fan with the one-touch switch-off function. Press and hold the power button for 3 seconds to turn off the portable fan, avoid pressing the power button multiple times and make the battery fan more convenient to use. Improved 5000 mAh battery - up to 20 hours of useBuilt-in rechargeable battery for easy charging and use. Capacity increased to 5000 mAh for 4-20 hours of cordless use. Portable personal fan with foldable handle for easy handling and transportation in pockets and handbags. Improved to 4 speeds: The speeds of the hand fan have been increased from the often seen 3 to 4 modes. Speed 1 is suitable for indoor use such as naps Speed 2 for regular indoor use Speed 3 for outdoor use such as shopping Speed 4 for outdoor use such as picnics, camping. Washable Fan GuardTwist the personal fan guard clockwise to remove and turn counterclockwise to put it back on. Dust will build up after prolonged use outdoors, and cleaning the fan guard will extend its life.Mini Portable Fan 3350mAh Battery USB Rechargeable Fan 3 Speed Wind Control Lasting 5.5-17 Hours with Removable Base Mini Hand Fan and Desktop Fan AAbout Shipping: All items