Keep cool and carry on with the Haven 550ml Portable USB Air Cooler and Humidifier  Multi-function design cool and humidifiers Choose from 3 x speed controls: low, medium and high  Multi-directional air vent for a bespoke breeze Simply fill to water tank for the top flap Built-in 7 LED colour-changing lights for a calming atmosphere 550ml tank can work for up to 5 hours  Comes complete with evaporative air filter Save 33% on the Haven 550ml Portable USB Air Cooler and Humidifier for 19.99 pounds