Cooling: With capacity to fill with water, designed to cool the air around you. Portable fan: Get a USB mini cooling portable fan! Speeds: With three air speeds and a microporous atomizer for a fine mist. Compact: Charges via USB cable and works for up to two hours. Dimensions: 130mm x 150mm x 90mm and a 150ml water capacity. Colours: Get it in green or grey! | USB Mini Cooling Portable Fan - Green | Wowcher