7 blades engineering structure with brushless motor, produces a strong and soft airflow, quiet operation, discrete low noise allows for the use in offices, lounges or next to your bed with no distraction. Powerful 3 speed motor, three varying speed settings controlled by a push button which you may choose from to allow for your choice of optimum cooling. Variable tilt fan head with up to 35 degrees, allows for the desired direction of the air flow to be achieved. Compact size(6.7in*3.9in*7.9in) makes it perfect for desk or nightstand use. Powered by a 43 inch usb cable, compatible with computers, laptops, portable chargers, power banks and other devices with usb output. CE Approved, ROHS compliant. 12 months hassle-free warranty,If you don't love it *for whatever reason* we'll replace it or give you back every cent. BEWARE OF CHEAP IMITATIONS. Only ibohr fan sold by ibohr (and Fulfilled by Amazon) are guaranteed to be the top quality, with excellent customer service.