Specification: Brand new and high quality! Material:ABS Rated voltage:DC 5V Rated current:300mA Rated power:0.2W Rated frequency:110KHz Box capacity:250ml Aerosolized amount:_50ml/h Noise:_5dB Effective area:_2m2 Size:8x8x14cm/3.1"x3.1"x5.5" Color:Black,White,Red Package included: 1x Mini Air Humidifier 1x USB Cable 1x Water absorbent rod 1x User Manual Note: 1.Don't pour oil essential oil into water.To prevent from blocking,please use water essential oil, then clean the cotton swab and the water tank. 2.Please allow 1-2mm error due to manual measurement, make sure you do not mind before you bid. 3.The colors may be different for the different display, please understand.