【Versatile and Secure】This stroller fan features a flexible tripod design that can easily attach to baby stroller, car seat, treadmill, bike and crib. Its secure grip ensures stability, fan blades spaced less than 6mm apart while keeping your baby safe Super Quiet Design】This baby stroller fan has 4 wind speeds which can be switched easily by pressing the button on the back of the fan head. The breeze can better care for your baby's health, and the forth gear is a sleep mode, the mini baby stroller fan will produce soft wind intermittently to give your baby a comfortable sleep 【USB or Battery Operated】2 in 1 powered style, the portable stroller fan powered by upgraded 3000mAh rechargeable battery, which can be used for 10-20 hrs (depending on wind speeds). Can be charged by computer, laptop, power bank, car charger with 5V output 【360 Rotation 】The stroller fan clip on baby fan is 360 vertically and horizontally adjustable, allows you to adjust the airflow all around to any direction you need 【Durable and Reliable】This mini handheld stroller fan can be used as a handheld fan, made of high-quality metal and silicone cover, is built to withstand frequent use and bending without losing its shape or effectiveness.