Specifications Product name: air purifier Material: ABS + electronic components Power: 15W Voltage: DC5V Product size: 21*12.3cm Power supply: USB White color Net weight: 358G Method of use Tap to start the machine and tap again to change gears First gear night light + germicidal light + fan. 2nd gear germicidal lamp + fan. Cleaning and maintenance 1. Unplug the power supply before cleaning the product 2. Clean the body of the product Use a soft, dry cloth to wipe the dust and dirt on the surface stain. If contamination is severe, wipe the surface gently with a damp cloth. Do not use rough materials. 3. Clean the air inlet and outlet of the product and use a soft brush to clean the air accumulated in the air inlet and outlet Dust from the mouth 4. The filter element will be replaced within one to two months, no more than two months above (depending on the use environment) Warning: 1. This product is not a built-in battery. USB cable must be connected to work! 2. Please note that the filter element cannot be used alone, the filter element is an accessory of the air filter element; The filter element should be cleaned regularly to ensure the use effect; 4. The air purifier adopts UV air purification technology and HEPA physical purification technology. Products include 1 x air purifier 1 x HEPA filter 1 x USB Cable 1 x manual 1. aire purificador: el purificador de aire puede eliminar los síntomas causados por el sueño de baja calidad, el mal olor en los coches o la caspa de mascotas, y purificar rápidamente el aire. 2. Función de filtración: filtrar con eficacia las sustancias nocivas en el aire tal como formaldehído, humo de segunda mano, bacterias, etc. Disfrute del aire fresco. 3. ocasiones de uso: adecuado para el hogar, la Oficina, el espacio del automóvil, la mejora de la calidad del aire de 360 grados, la aplicación de la madre y el bebé y el cuidado de la salud