Two power supply modes: one is USB power supply, the other is battery power supply(Without 3 x NO.1 batteries)Greatly improve air quality: In addition to its use in aromatherapy, this essential oil diffuser can also be used as a humidifier. Using it can improve the air and atmospheric quality of the house, cover up the smell of pets or smoking, and protect your family from excessive dry air, microorganisms, allergens, dust, etc.!High-quality: For our high-quality essential oil diffusers, we only use the same super high-grade, safe and environmentally friendly materials, as well as advanced production processes and strict quality control.Great gift ideas for everyone: If you need beautiful and practical gifts in the market, you can stop looking for them. This great aromatherapy essential oil diffuser is a thoughtful and convenient gift that everyone can advantage from. The combination of style, design and function is really great!Suitable for places with a range of 500-1000m³,Shopping malls, KTVs, hotel lobbies, cinemas, etc.colour: white/blackMaterial: ABSPackage Contents:1 x Aroma Diffuser1 x USB cable1 set x installation accessoriesOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.