Best-electric 2-mode Speed Adjustable Double Blades Mini USB Desk Fan for Pc Laptop Notebook with USB Powered (Black) 2 modes wind speed can control. Can be adjustable at 30 degree. Double motor and double blades design, and ultra-quiet. Powed by the included USB cable, which can be connected to PC laptop notebook and USB power adapter. Beautiful fan for baby sleeping, convenient and safe. Baby would be happy. Material: durable hard ABS plastic. Can be placed on the table, USB type, can plug it on the computer.