Introducing LumeCove's wall-mounted smart waterless aroma diffuser for your home that offers Bluetooth programmable settings to meet your needs. This unit uses cold-air aroma technology and covers 3000 sq. ft. (Oils Not Included) Stationary unit for use in homes/offices in a compact size (7.44x5.74x3.35 in) that supports desktop use or wall-mounting (kit included). ​Maintenance tip: Clean with alcohol every 1-2 months or when mist output decreases. | Lume Cove | | Auto Essential Oil Aroma Diffuser | White | Best Buy