General description The Air Purifier with HEPA Filter is a portable and efficient solution for improving air quality in various indoor spaces. It effectively removes smoke, haze, pollen, pet hair, and unpleasant odors, creating a comfortable environment. With a noise level of only 35 dB, it operates quietly, making it suitable for use while sleeping or working. Technical specifications HEPA filter material Negative ion concentration: 15 million/cm Purification efficiency: 50-80 m³/h Applicable area: 11-20 square meters Power supply: USB socket USB cable length: 1 meter Usage Simply plug in the power supply to start using the air purifier. Replace the built-in filter every 3-4 months for optimal performance. Other information Features a purple ambient light that provides a soothing brightness for sleep. Lightweight and compact design for easy portability.