EFFECTIVELY AIR IONIZER FOR HOME: This negative ion purifier works by releasing negative ions into the air through electric brushes, which can cause ions that are usually positively to aggregate together,lose the ability to float freely in the air, quickly weaken, and purify the air. Negative ions help improve mood and health, allowing you to enjoy fresh air right . AIR LIKE IN A : The portable ionizer air purifier adopts anion technology, refreshing indoor air naturally without filters to effectively purify pet odors, and other smells from rooms. Enjoy a relaxing breath of fresh air with peace of mind. We recommend using at least one per bedroom, bathroom, dining room, living room, and kitchen to best results. QUIET OPERATION FOR PEACEFUL SLEEP: By promoting relaxation and reducing stress, negative ions can enhance sleep quality. Our purifier features advanced silent technology that operating almost inaudible to provide any room, including your bedroom or office, with a peaceful environment conducive to rest or concentration. You can enjoy fresh air and fall into sleep easily. PORTABLE AND CONVENIENT: The air purifier plug has a simple and stylish design, making it a discreet yet effective wall air purifier plug. It is small, , and compact. Take it with you , plug and play, save space and replace bulky, expensive air purifiers. It plugs into any standard outlet, making it ideal for use in offices, gyms, hotels, libraries, cafes, and more, ensuring fresh air is always within reach. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC100-240V Colour:White Material:plastic Package Contents: 6 * plug in air purifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.