... :ABS(engineering plastics) voltage:5V power:2W Usb mini fan,usb desk fan,mini hand fan1:Durable 2:High efficiency and reliability ... and air flow 5:small and light weight 6:soft fan,blades are safe. 7:adorable,small gift as a gife ... :compatible with 4AA battery or USB port light weight,soft fan,blades safe power saving.Specification:145*13*55MM Mini ...