eCosmetics is an authorized retailer of Vitruvi.The Air Cordless Diffuser is the only waterless diffuser you can take anywhere u2014 same pure, long-lasting scent, but without being tethered to a wall.It uses a cold air diffusion technology to scent large spaces effortlessly, and with its rechargeable battery (up to 18 hours of scenting on a single charge), you can take it anywhere u2014 from kitchen counters to nightstands, patios, and even the office.The Cordless edition uses the same ultra-efficient cold air technology to scent up to 1500 sq.-ft. for up to 30 days.Scents sold separately.