Function: 1. Natural Air Suction Structure: After the one-button ashtray purifier is turned on, the ashtray adopts a natural air suction structure, which uses the suction created by aerodynamics to exhaust smoke, and can effectively and quickly absorb and filter the smoke. 2. Power supply: The power supply is powered by a standard AA battery available on the market, which can be removed and replaced at any time, supplied without a battery. 3. Multifunctional: The smart ashtray is not only an ashtray, but also can effectively purify second-hand smoke and odor. 4. Negative ion purification: The ashtray purifier adopts a filter screen and negative ion purification, and the air purification is more thorough. 5. Portable and Widely Used: The ashtray is convenient to carry and can be used for family, business and business trips. Specification: Item Type: Smokeless Ashtray Material: ABS Gross Weight: 278g/9.8oz Battery: 2 pieces AA, shipped without batteries Size: 13x13x7cm/5.1x5.1x2.8in Package List: 1 x Smokeless Ashtray 1 x Aromatherapy Tablet