Secure Adjustable Clamp: The crib fan's knob-locking design can firmly grip tubes ranging from 18-46mm in diameter, ensuring stable attachment on strollers, bikes, cribs, or dorm rails without slipping or shaking. 720° Full-Range Airflow: The clip-on stroller fan features dual-axis rotation (360° vertical + 360° horizontal), allowing precise directional airflow to keep babies or users cool from any angle. Baby-Safe Fine Grille: The pram fan has a 5.5mm narrow grille gap, effectively preventing small fingers from reaching the blades for worry-free use around little ones. Long-Lasting Battery Life: Equipped with a 2000mAh large-capacity battery, the baby fan supports wireless use, keeping you cool during extended outdoor rides or indoor activities. Versatile Multi-Scenario Use: This blue fan for buggies is lightweight and portable, perfect for summer outdoor cycling, baby stroller rides, student dormitories, and more to beat the heat.