【 High Efficiency Air Purifier】: Air purifier is equipped with H13 grade HEPA filter element, which can effectively remove 99.97% of particles as small as 0.3 microns in the air to achieve high efficiency purification. The built-in negative ion generator can effectively remove smoke and dust. 【Portable And Convenient Hepa Filter】: air filter is small and compact, measuring approximately 6.4 x 6.4 x 13.9 cm. 360 degree air intake, fast clean air circulation, equipped with a data cable, easy to use and carry out, let the fresh air around you all the time. 【Unique And Romantic Air Purifier】purifier has a romantic starry atmosphere light, which allows you to have a comfortable and romantic atmosphere while purifying the air, which is conducive to relaxing emotions and creating an ideal indoor sleeping environment. 【Easy to Use and Healthy and Environmentally Friendly】 : Air purifier with sleeping HEPA is removable, simple and convenient, with built-in aromatherapy box and aromatherapy