All round: more than 35 million negative ions are released around, which is more scientific and more average in distribution. Negative ions are distributed along the wall, forming a full surrounded negative ion surround.Power saving: smart a chip power saving scheme, durable.More reasonable space purification mode: 40 seconds a light breath, more scientific increase and decrease in the amount of release.Easy to use: one button switch, eliminating the cumbersome dialing and inserting. Plug and play, ease of mind. It is exquisite and small, and does not block other rows.Widely applicable: it can be used in bedroom, living room, kitchen, toilet, study room, office, etc.Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on / Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on.Voltage: AC220V / AC110VColour: Black / WhiteMaterial: ABSPackage Contents:1 x air purifierOnly the above package content, other products are not included.Note: Light shooting 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