Continuous fragrance plus extra boost at the push of a button. Fragrance sold separately. X-press technology. All current Air Wick Mobil' Air refills will fit this X-Press portable air freshener. Introducing Air Wick Mobil' Air X-Press. The Portable Air Freshener that continuously freshens the air, plus gives you an extra boost whenever you want it or need it. By pressing the Mobil' Air X-Press blue button you can increase the fragrance by activating the fan continuously for 8 minutes. The fan will then automatically return to its pre-selected fragrancing level. And because it's battery operated, you have the freedom to place it anywhere in your home! Portable, place it anywhere in your home! Free batteries included with fragrance refill. Continuous fragrance all day every day, with 4 adjustable control settings. Temporarily increase the fragrance at the push of the X-press button. X-Press blue button activates the fan continuously for 8 minutes. Fragrance refill lasts up to 60 days - fragrance sold separately. Mobil' Air X-Press Unit plus favorite fragrance = enjoyable continuous fragrancing.