Great Polly Smart Frog Water Bottle Adopted Mini Humidifier Water Misting Portable Size for Office, Baby Room, Home, Travel. Carry it Anywhere You Go! (Black) Portable Size and Easy to Use. You Can Carry Everywhere You Go! USB Humidifier Adopted MHZ Atomization Chip that Spray Pure Water without White Powder Phenomenon Cool Function Light Brings an Extra Light & Comfortable Atmospheres This Mini Humidifier Does NOT Working with Essential Oil or Any Kind of Perfumes