【Ultra Long Battery Life】This portable fan is equipped with a 5200mAh large capacity battery, which can last 5.5 to 40 hours (depending on speed), and comes with a USB charging cable for convenient charging anytime, anywhere, it can be charged with computer, mobile power bank, car charger and so on. 【360° Rotation and 3 Speeds】The stroller fan head can be adjusted vertically and horizontally in any direction to keep you cool in any position. The mini fan has 3 speeds, you can adjust different speeds to use as needed. 【Designed for Child Safety】The stroller fan guard has only a 5mm gap to prevent the child's small fingers from entering; while protecting the child's safety, the clip fan can work quietly and provide a cool and comfortable natural breeze without disturbing the child's sleep. 【Flexible and Durable Tripod】The tripod of this USB fan is made of high-quality metal and silicone, the legs are very sturdy and can be repeatedly bent in any direction, you can attach it to strollers, baby beds and car seats, and it is also suitable for various occasions, such as office, gym, beaches, camping, cycling and travel. 【Convenient to carry and easy to clean】The rechargeable fan is compact and easy to carry and store. The fan has a removable guard for easy cleaning.