CestMall Small Mini Handheld USB Powered Electric Home Office Travel Camping Fishing, Soft Sponge Desk Fan for Kids (Blu

USB Powered: The mini fan is powered by rechargeable battery.It works about 3 hours on a full charge.The charing time is 3.5 hours.The indicator light will turn to green when charing the fan,turn off when fully charged.
Soft Sponge Material: The blades of handheld fan is made of soft sponge.Would not hurt your baby