Material: Plastic Cap Hat design humidifier, charged by the USB interface Fresh air, smoke and dust, sterilization, eye protection and other functions Voltage: DC 5V Package included: 1 x Humidifier 1 x USB cable (130cm) 1 x Clean cloth 1 x Chinese Manual Product Dimensions: 11.6 x 11.6 x 11cm, Weight: 138g Package Dimensions: 12.3 x 12 x 12 cm, Weight: 244g