Tinksky No.1360 3 AA USB Powered Mini Fragrance Air-conditioning Cooling Fan for Laptop Notebook PC (Purple) Material: hard plastic. Adding the secent beads and 50ml water into the storage box inside the fan, the mini fan will give off sweet fragrance and smell while providing you cool air. Special plastic structure design, more stable and stronger. Come with a ONOFF switch on the outer case for easy to operate. Desktop and ultra-quiet design, light weight, strong wind and low power consumption.