HELPFUL FOR YOUR HEALTHEffectively improve indoor air condition. This air humidifier can soften and moisten dry and chapped skin in winter. UNIVERSAL POWERCompatible with any device with USB port,connect it to PC, power bank, socket, power outlet. with a USB cable and press the button. LIGHTWEIGHT This mini USB humidifier is very lightweight, you can bring it anywhere. Cute shape and vibrant color will bring happiness to your room, desk, office, car. FUNCTIONto meet the humidification needs of different environments, such as sleep humidification, hotel humidification, office lunch break, car humidification. ULTRA-QUIETThe sound of humidifier at a quiet level, there is no worry of disturbing sleep. It can be used at home with children and pets. Features Working voltage: 5V Working current: 500MA Water tank capacity: 300ML Intermittent spray mode time: about 4-8 hours Material: ABS/PP+PC electronic components The water tank can hold 300mL water then support up to 4-8hours strong mist(intermittent mode). One button switch for simple operation, completely free air diffuser for personal health care. Multipurpose: Silent humidification, lightweight and portable, moisturizing, anti-drying, no leakage function, aromatherapy, humidification, night light.