General description The Air Purifier with HEPA Filter is a portable and efficient solution for improving air quality in various indoor environments. With a high efficiency HEPA filter and a concentration of negative ions at 15 million/cm, it effectively removes smoke, haze, pollen, animal hair, and odors, creating a comfortable atmosphere. Technical specifications Purification efficiency: 50-80 m³/h Noise level: 35 dB Applicable area: 11-20 square meters USB cable length: 1 meter Usage Simply connect to a power supply via the USB socket to operate. Recommended filter replacement every 3-4 months. Other information Portable design, lightweight and compact for convenience. Features a purple ambient light for a soothing sleep environment.