1. This is a high-performance portable bladeless mini fan that can help cool and soothe your clients' eyes during or after eyelash extensions. Helps sensitive clients dispel smoke and keep lashes dry and soft. A complementary stand is provided so you can place the fan easily and happily in your break room or workstation. This product also comes with a USB cable.2. High-performance battery: The fan is powered by a 1200mAh high-performance lithium battery with high efficiency. It provides you with up to 10 hours of continuous working time in low speed mode. You can also put the fan on a stand and have it tied up for extra breeze. You will have no problem taking this portable mini fan for traveling, shopping, exercising, or any other outdoor activities.3. Adjustable wind speed: You can control low, medium and high wind speed according to your needs. We recommend that you set the setting to at least medium speed to dry eyelash extensions, creams or sprays.4. Works while charging: You can get power from any USB device such as power bank, computer, laptop or USB charger. You can continue working after connecting the power supply. A full charge takes approximately 2 to 3 hours.5. Easy to carry: This bladeless fan can be charged by all USB-enabled devices, such as car chargers and home chargers. Especially suitable for travel or outdoor sports, just put it in your backpack or throw it in the car and you can take it with you.