Powerful Performance: The air purifier with negative Ionic function freshens the air with 5 million negative ions and 5mg/h ozonide output, purifying the air in your home for spaces less than 7. Quiet Sleep Mode: The pet odor eliminator automatically reduces noise to nearly silent 22 decibels and all indicator lights will turn off when use, ensuring your peaceful sleep is not disturbed. Two Operating Modes: When using the air purifier, simply touch the power to switch between two modes, allowing you to turn on/off and control operating without the need for filters, making it convenient to use. Long Lasting Battery Life: The air cleaner is equipped with a built in 1200 mAh lithium battery that can be fully charged in 4 hours, providing a long lasting battery life for continuous operating up to 7 days, making it very convenient for your daily use. Wide Application: The air purifier is suitable for home, office, and travel use. It is not only suitable for cars, but can also be used in any small space, living room, bedroom, basement, bathroom, office, and hotel at any time. It is also an ideal essential choice for parents and colleagues.