Quickly purifies and refreshes the air Purification of black science and technology to solve a of pollution in one machine Electronic PM25 filtration filtration efficiency 99%, effective filtration of dust, , aerosols, and other particles to protect the rear , extend the life of the Purification efficiency 99.9% removal rate in one hour 360 quick-acting air quality improvement Efficient Purification Cover Every Corner: The purification area can reach 65m, which can remove odor has a wide range of use, and is economical and suitable Simple And Beautiful The Air Is Refreshed: Remove harmful substances in the air Give air to the home Ultra-Long Purification: Near you, wireless purification laets for 18.5h, Give you moist companionship from morning to night Light Tone Operation Small and small Understand Your Ear's Pickiness Coverage Area Up To 65m Wide range of use, easy to remove house odor Economically appropriate Built-in 4000mAh Battery 18.5h Wireless Use: Upgraded battery lite with 4000mAh battery purification, with a battery life of about 18.5h size: 16 x 16 x 19cm Material: ABS colour: white Package Contents: 1 x purifier 1 x usb data cable 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.