Automatic air purifier air filter 360 degree direct suction smoke-free household air purifier Product name: Air purifier Ashtray material: ABS Rated voltage: 3V Product noise: 30dB Rated frequency: 23Hz Color: blue gray green Battery capacity: 600mAh Production process: negative electrode ion Scope of application: less than 10? Product power supply: 2 AA batteries (not included) Features: 360 degree silent flame retardant NOTE: Due to differences in lighting and monitor settings, the color of this item may vary slightly from the image. Please allow slight size differences due to different manual measurements. Packing list: 1 air purifier ashtray + 1 cotton filter + 1 aromatherapy tablet + 1 user manual The 360-degree three-dimensional skeleton follows us wherever we hide. The 20-minute auto-off feature means you don't have to worry about wasting energy or forgetting. With a detachable design, you can clean it easier. Cotton with built-in negative ion filter 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 car interiors, etc. Aromatherapy tablets can be placed in the ashtray, which is both an ashtray and an aromatherapy machine. It allows you to smoke without having to go to the balcony to have a blast, and it works quietly without disturbing other people.