Features: 1) ADA718 breath-mate is the smallest, most powerful and discreet personal air purifier on the market 2) It is developed under the concept of efficiency and friendly use 3) This feather weight little air purifier has gigantic features and functions 4) High density Nega-ions 5) Safe and effective level of ozone 6) Elegant, discreet, and lightweight design to be used as adornment 7) User friendly design for the convenience to people 8) Wearable with stylish neck strap (changeable) 9) Equipped with innovative designed standing mount (optional) 10) Can easily be fixed on desktop or car dashboard, adjustable by swiveling from exquisite belt clip and enabling to be used on backseats 11) Subtly contains fragrance slice in the stand base (optional) and surrounds you with lingering aroma 12) Multiple power supply: 5 hours\'\' rechargeable lithium battery / charged up or used with car power cord / charged up by adapter / USB powered 13) Chemical free