Desktop Humidifier, Aroma Diffuser Quiet for Women Men Boys Girls for Home Office Specification: Item Type: Air Humidifier Material: ABS Color: As shown in the picture Rated Voltage: DC5V-1A Rated Power: 1.5-2W Power Supply Mode: USB plug-in Water Capacity: 300ml (Maximum) Applicable Area: Within 15? Spray Efficiency: 35ML/h Spray Time: 3-6 hours How to use: Turn to unscrew the cover. Add water. Connect to the USB power supply. Press the key switch to turn on the spray mode. Installation Steps of Cotton Swab: Load the spring. Load cotton swab. Connect the upper cover. Package List: 1 x Humidifier 1 x USB Cable 1 x Cotton Swab 1 x Instruction Manual Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 2. When using it for the first time, please put the absorbent cotton swab into a proper amount of water, wait until the cotton swab has sufficiently absorbed water and begin to sink before using it for the best effect.