1.[Handheld High Speed Fan]:This small portable fan has two kinds of gear level modle, and the wind speed from 1-100 gear can be adjustable. The short-press to the switch can display the 5 level of grade, they are 1, 25, 50, 75, 100 of 5 gears. Plus, the long-press to the switch, you can easily flexible adjust the airflow from 1-100 gear. 2.[Long Endurance of Mini Fan ]: The hand-held fan is rechargeable, can improve the wind speed, power, and endurance. 3000mAh large-capacity battery, can work continuously for 4-18 hours (depending on the gear). 3.[Powerful Brushless Motor ]:The brushless motor high speed,reaching up to 20000 RPM,low energy consumption, it can cool for 3-13 hours on a single charge, stable operation, cool and undisturbed. Of course, you can feel the bass noise of the fan will also become stronger with the change of the number of gears. 4.[Digital Display]: with the high definition digital display, it will show the current real-time fan speed or can show the battery power by slow-press the power switch, you can visualize the fan's speed as well as the remaining battery power. Wind speed and remaining power at a glance. 5.[Small and Handheld Fan]: the mini hand fan is lightweight, weighing just over 170 grams, and features a transparent fan drum sleeve, and the compact size similar to a smartphone, it is perfect for travel, commuting, or daily use, and good for women, . Size: 4342132mm; Color: Purple.