Ultra-quiet design. 360°up and down adjustable With control switch The motor is made by DC brushless technique, lower power Special metal structure design, more stable and stronger Ultra-quiet design 360°up and down adjustable With control switch The motor is made by DC brushless technique, lower power Special metal structure design, more stable and stronger Continuous using with long life Occupy small room, smart shape, cool and soft wind Specifications: Power source plug: USB Material: Metal Mesa: 200 x 100 x 200 mm N.W.: 416 g Voltage: DC 5V Power consumption: 2.5±0.25W