Descriptions:Longer Working Time: 5000mah large capacity, support 16-24h working time with one full charge. Working time depends on different speeds: Speed 1 (24 hours); Speed 2(20 hours); Speed 3(18 hours), Speed 4(17 hours); Speed 5(16 hours).Digital Display: Designed with digital display, you can see the remaining power easily, avoid sudden power off. The usb rechargeable fan is foldable, support 90 degrees adjustment.Multifunction Fan: Handheld Fan /Neck Fan/ Desk Fan: The portable mini fan not only can be used as a handheld fan, but also can be used as hanging neck fan, with a detachable lanyard. In addition, it has a removeable base, can be used as a small desk fan on desk table.5 Speed Setting: 5 speed adjustable, short press the button to turn on the fan, and press repeatedly to adjust the wind speed or turn off the fan.Color: 4ColorsPackage included:1 x Handheld USB Fan (Built-in battery)1 x USB Cable