soft and strong wind Mini but powerful stroller fans, our fans have gentle airflow for a cool summer experience for your baby. Improve your baby's sleep quality. wind big sound small There are four adjustable modes, you can switch between 4 speeds at any time. 48 wheel bladeless fan Innovative turbocharging technology, 48 blades gather wind, increase wind speed, strong wind High-quality materials The tripod is made of safe sponge material and aluminum wire. More easily damaged than other models, ours are stronger. Long battery life Built-in 3600MAH large battery, high efficiency and energy saving, can be used for 12 hours after charging for 3.5 hours. Four gears adjustable 1 block of gentle wind, suitable for baby sleep 2 blocks of cool wind, cool breeze 3 strong winds, outdoor strong winds, expel the heat 4 blocks of natural wind, natural blowing makes the baby more comfortable