Product Description Size: 14*10.6*4.2cm Colors: White, Black Material: ABS Package content: 1*mini fan 1.PORTABLE AND COMPACT:Small and exquisite, easily put into a bag inside. Weight .Ideal for personal cooling and use on a table or desk small footprint. 2.ANTI-NOISE MOTER TABLE FAN:We use a exclusive way to control the noise when the fan works. The minimum noise is close to 26db. It makes you sleep sweetly. 3.USB OR BATTERY OPERATED FAN:Upgraded rechargeable battery or by being connected with a USB cable even use an adapter to plug into wall socket. 4.CHARGE FOR YOUR PHONE FAN:Compatible with computers, laptops, power bank and other devices with usb output. 5.ADJUSTABLE 3 SPEEDS AND LONG LIFETIME:Battery works 3hours in a full charge.For me,Mini fan produces a soft breeze to keep you cool and relaxed when you jogging.