Installation: Tabletop / PortableNoise: less than 36db Timing function: noNumber of mist outlet: one/aShape: classic columnarPower type: USBType: ultrasonic humidifier Humidification method: ultrasonicClassification: humidificationApplication: 11-20 square metersModel number: wood aromatherapy Operation method: keyboard typeFunction: sterilization ultrasonic Mist capacity (gallon/day): 30ML/H Water shortage protection: yes Use: USB Humidity control: press type Humidification capacity: 250 ml/h Power (W): 3W Voltage (V): DC5V/350MA Capacity: 130ML Product name: Replaceable cotton sticks for portable personal humidifiers with USB power. Type: humidifier sponges Product weight: 10 g/bag Color: white Material: cotton Size: 73*7 mm Package content: 80 x sponges Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color The item in the photo will be slightly different from the real one. The measurement error is +/- 1-3cm.