100% new, high quality. Super nice design. The angle of inclination can be adjusted up or down. Key switch. Powered by USB, no external power required. Plug and play, easy to install. Durable soft fan blades protect against damage. Fan diameter: 96mm Power supply: DC5V Power consumption: 2.5 0.25W USB transformer can buy power by itself. It is recommended to purchase a transformer with a voltage of 5V or more than 1000MA. USB Power Plug Type: USB Fan Product Name: USB Fan Color: Black/Blue/White Material: Plastic Size: 149x96x146mm Package Contents: 1 x USB Fan Only the above package content, other products are not included. Note: Light shooting and various displays may cause the color of the item in the photo to be slightly different from the actual color. The measurement error is +/- 1-3cm. Shipping Time: We can ship all products within 5~8 business days