Baby Stroller Fan - Our clip on fan is strong enough to stay on a baby stroller. We do many tests to ensure the clamp is sturdy, the foam mat is non-slip and the narrow gap is safe, you can rest assured to buy for your baby. Stepless Speed Regulation - With the stepless rotary button to adjust the portable personal fan to be any wind speed as your preference. Please note that the wind speed won't change(only one speed) if you use while keeping plugged in. Rechargeable Battery - Built-in 500mAh battery, works 4-6.5 hours according to different wind speeds, it's also a USB fan that can be charged by mobile phone adapter, laptop, power bank, etc. 360Horizontal/Vertical Rotation - This mini table fan supports 360 manual flip vertically and horizontally, it will keep you cool at every angle. The clip fan uses high quality brushless motor, it's wind power reaches 2.5 m/s, quiet enough for night sleep and library use. Versatile Small Desk Fan - The portable fan is 19*15*10 cm (7.5*5.9*3.9 inch), lightweight and handy. Can be put or clipped on anywhere you want, suitable for office desk, baby stroller, car backseat, kitchen cooking, gym exercising and other outdoors/indoors activities.