【Powerful Battery Life】 Packed with a large 2600mAh battery, the portable fan is able to provide up to 3 to 16 hours of use (depending on different speeds). Ensures that while providing strong wind power, it can also achieve the efficient use of energy.【Newly Upgraded Motor】 Introduces a newly upgraded brushless motor technology, which not only dramatically improves the performance stability and service life of the mini handheld fan. More critically, it can effectively expand the mini fan's blowing distance to 3.3-5.8 meters/second.【4 Adjustable Speeds】 Ultralent handheld fan has 4 adjustable wind speeds. Each speed is designed for different scenarios and personal needs, allowing you to easily adjust the speed according to your current environment and personal preferences.【Handheld Fan】 The handle part of the mini portable handheld fan is designed with non-slip and equipped with a hand rope (about 17 In). This makes the handheld fan firm in use and prevents the fan from accidentally falling off even when walking or during more strenuous activities.【Lightweight and Convenient】 Weighing only 6.27 ounces, it is light enough to be easily held in the hand. This lightweight design makes the handheld fan ideal for travel, tourism, office, or outdoor activities, making coolness accessible anywhere, anytime.