There is good news here. The new and improved air purifier is online, which gives you a different experience in terms of function and appearance.Using the latest touch buttons, high and low gear, stronger battery life,Bring you a stronger waiting。 Introduction to Air10S( press button) Air10pro(Touch button) Feature: The appearance adopts the electroplating process, the color gradient is more beautiful, the high and low gears can be switched flexibly, and the lasting time is longer 1、Principle of Work:Negative ions will adsorb suspended particles in the air(such as PM2. 5, second-hand smoke, dust, etc. ) making these suspended particles attract each other Become larger and heavier, and accelerate the landing. It can effectively purify polluted air by anywhere and improve your mood. 2、Applicable Area:The air purifier can purify an area up to 35 cu ft Scientifically proven to away most of smoke, cooking smells and even PM2. 5 air pollutants. Suit for travel, adult or kids. 3、USB Powered:Low battery usage and rechargeable ai purifier, Charge 3 hour can be used for about 30 hours. 4、No Noise:This air purifier net weight only have 72g, Mini portable necklace design; hanging it on your pocket or bag, and it is stylish and convenient to carry No an noise when you using it. 5、Easy to Operate:One button for on/off. Just press the button for two seconds to enjoy the fresh air. Easy to get better quality sleeps and highly improve physica. Specification: larking voltage:DC5V Battery capacity: 700MA Charging method:TYPE-C charging Charging time:3 hours Material:New environmental protection ABS+PC+Plating gradient Negative ion concentration:80 million pcs/cubic centimeter;120 million/cubic centimeter(2 gear switch) Weight:about 72g Size:about80*35*23mm/3.15*1.38*0.91inch Life time:low-gear battery life exceeds 30 hours, high-gear battery life exceeds 60 hours.