Mini Silent Portable Perfume Bottle Usb Humidifier $ 8.63 Product Introduction: Rated input: 5V/1A Water tank capacity: 300ML Number of fog outlets: 1 Operation mode: mechanical Timing function: 2-8 hours Water shortage and power failure protection: not supported Power supply mode: AC Appearance: vase Noise: 36-45db Color: white, pink, gold, blue Packing list: 1* Humidifier