【5 Wind Speeds】coldSky small fan is equipped with a high-quality brushless motor and a 7-blade design for powerful airflow. 5 levels of wind speed can be adjusted. Whether you're indoors or outdoors, it keeps you cool and comfortable
【Long-lasting Lattery Life】coldSky Rechargeable Mini Fan with built-in 4000mAh battery. Provides long-lasting battery life. The fan can run continuously for more than 7-20 hours, and you can enjoy a cool and comfortable trip without worrying about running out of power. Multi-purpose small fan, suitable for travel, makeup, sleep, etc
【Smart Display】coldSky mini fan has an LED digital screen that shows the remaining battery life and wind speed. This allows you to adjust the fan to the ideal wind speed level and when you need to charge the fan
【3 in 1 Multifunction】 coldSky fan can be changed to a handheld fan, a desktop fan or a neck fan. The adjustable parts are flexible for easy storage, and the 90° vertical adjustment keeps the airflow cool at any angle. Suitable for various scenarios
【Ultra-quiet】coldSky USB fan benefits from the use of silent motor technology, Reduces noise while generating maximum airflow. At the same wind speed, the motor produces a noise level 30% lower than competitors. Our fan will not disturb your work or sleep