hopeme cool mist usb humidifier with adjustable mode,260ml water tank lasts up to 6 hours,7 color led lights changing, waterless Auto Shut-o

Instructions for use: 1.rotate counterclockwise to unscrew the upper cover and add water, and turn on the power after the cotton rod completely absorbs. 2.Anti-dry burning: normal use of 4 hours automatic power off, can restart to continue to work. Precautions 1.The principle of this product is micro-hole atomization,do not use oil/strong acid and other liquids;to prevent the hole from blocking and causing damage to the machine. 2.Do not disassenble or repair this product privately.