Mini Portable Air Humidifier Aromatherapy Diffuser! Perfect gift for the holidays!220ml Ultrasonic Essential Oil Diffusers Led Light Humidification for Home, Car, and more! -Specification: Color: White, Mint, Pink Working voltage: DC 5V Material: silicone/PP/ABS/Electronic component Amount of spray:40ml/h Working current: 400mA Water tank capacity: 220ml Use time: 5-10h Power supply: USB Applicable area: 10-20 square meters Noise: less than 36dB -Features: 1. SUPER QUIET: Runs quietly. It would not be disruptive while you sleep 2. Large capacity, dry protection, infiltration and Moisturizing 3. Automatic power failure protection, anti-dry 4. Mini size, lightweight and compact, easy to carry -Included: *1 Manual*1 USB Cable*5 Cotton Swab Filters -Using Method: 1.Open the top over, pull out the cotton swab.(Don't lose the spring)2.Add water into it.3.Wet the cotton swab in the water completely. Soak the cotton swab until it squeezes out the water.4.Put the cotton swab into the suction tube.5.Plug in the power.6.Press the button switch and then you can use it. =========Shipping Information ========= - All orders are shipped out same day if order is received before 1 PM EST. - Free shipping in USA - You will receive an email from us once your package has shipped with a tracking number and a link to track directly.