Auto ON OFF: our car air freshener, designed to automatically turn on when you start your car and shut off when you're done. ensuring the device activates only when you need it. No more worrying about switching it on or off—just enjoy a consistently fresh and inviting scent every time you hit the road. 7 colors breathing light and pure blue light: In car mode,the light beads show the effect of seven-color breathing light Perfect for Families, Pet Owners, and Smokers. Our smart air freshener uses natural, non-toxic essential oils to neutralize odors from pets, kids, and smokers. It’s a simple way to ensure a clean, pleasant environment for everyone. If you always buying air fresheners to keep up with the pets/smokers/kids smell, this air freshener has been a game changer with doing so. Packing list: A edkcxb smart car air freshener,a perfume,a USB cable,an English instruction manual,a sponge,two cotton swabs. Hight Quality and Quiet: The compact and portable black smart car air freshener is made of aircraft-gradealuminum alloy,delivering a metallic and frosted feel. Our smart car air freshener operates quietly without disturbing you.Its superior sealing ensures no leaks,regardless of road conditions,keeping your car's interior clean and pristine at all times. Note: If you have any questions, please feel free to contact us!