describe: Direct-suction smokeless ashtray 360-degree surround air purifier with automatic shutdown 600mAh household ashtray air filter Product name: Ashtray air purifier Material: ABS Rated voltage: 3V Product noise: 30dB Rated frequency: 23Hz Color: blue gray green Battery capacity: 600mAh product Technology: negative ion Scope of application: less than 10? Product power supply: 2 AA batteries (not included) Features: 360-degree surround silent flame retardant The 20-minute automatic shutdown function means you dont have to worry about wasting power or forgetting to turn off the phone. The detached design makes cleaning more convenient for you. Built-in negative ion filter cotton can release negative ions to absorb tar. Made of ABS material, very durable. Super hard flame retardant material, safer, can be in direct contact with cigarette butts, will not melt or deform. Suitable for home, bedroom, indoor living room, car, etc. Aromatherapy tablets can be placed in the ashtray, which is both an ashtray and an aromatherapy machine. It allows you to smoke without going to the balcony to blow air, and it operates quietly without disturbing others' rest. Packing list: 1* Ashtray air purifier NOTE: Due to differences in lighting and screen settings, the color of this item may vary slightly from the picture. Please allow slight size differences due to different manual measurements.