FeaturesMultifunctional Ashtray with Air Purifier Function for Filtering Second-Hand Smoke From Cigarettes Remove Odor Smoking AccessoriesThis ashtray has an air purification function. It uses a hard flame-retardant material and has three colors.The purifier ashtray adopts natural aspiration. It has large suction power and 360 wide-angle exhaust air .Built-in replaceable negative ion filter cotton, which absorbs tar and releases negative ions, and exhausts air from the bottom side. Effectively filter harmful substances and reduce second-hand smoke.It requires two 1.5V AA batteries, no cables, and eliminates the trouble of regular charging.The noise is low, and there is a timer shutdown function (timeable for 5.2 minutes), so there is no need to worry about wasting power.It has a built-in aroma diffuser, which can be placed inside, which is both an ashtray and an aroma diffuser.The entire ashtray adopts a separate design, which can be removed and washed at any time.Product name: Air purifier ashtrayMaterial: flame-retardant nylon, glass fiberColor: green, blue, grayRated voltage: 3 VPower supply mode: 2 * AA batteries (not included)Working hours: the battery can support it to work about 40 timesUsage: Press the switch to start, the machine will automatically shut down after 5.2 minutes of operation.Replace the battery:Take out the filter screen and support plate to replace the battery.Installation of aromatherapy sheet:Take out the filter screen and support plate, and install the aromatherapy sheet in the specified position.