happeey personal air cooler, portable air conditioner fan noiseless mini desktop cooling fan usb space cooler with 3 speeds fan & 7 colors led light for office, room happeey <br></br><b>mini air cooler</b>- get this personal space cooler to create your comfort zone, relax and enjoy the refreshing and moist breath. <br></br><b>features: </b> <br></br>item dimension: 15x15x18 cm <br></br>item weight: 560g <br></br>material: abs plastic <br></br>water tank capacity: 300ml <br></br>winds speed: 3 modes (nature / medium / strong) <br></br>light mode: random change in 7 colors <br></br>noise: ≦50db <br></br><b>product user guide: </b> <br></br>1. connect to usb port,press the button on the back of the fan to switch on and adjust level (l1, l2, l3). long press to turn on ambient lighting. <br></br>2. product could be used through normal cell-phone charger, pc usb port, laptop usb port, power bank and so on. <br></br><b>note:</b> <br></br>1.do not tilt or tip the mini ac after adding water to prevent the water from falling onto the table or product and causing damage. <br></br>2.do not allow children to use and play with the product alone.