Feature: 1.Smokeless Ashtray:The intelligent ashtray is not just an ashtray: it can absorb cigarette smoke and eliminate odor. It helps to remove second-hand smoke and pollution particles from the air, creating clean and pure air for your home. 2.Battery:The power supply adopts the common AA battery in the market, which can be disassembled and replaced at any time. Two AA batteries can work for about 40 times, and each battery works for 5.2 minutes (not included). 3.Filter:The ashtray of the air purifier is equipped with a negative ion purification filter to absorb smoke and odor, filter dust in the air, and then release negative ions and air. 4.Special Design:The ashtray tray is specially designed with four small grooves for fixing cigarette butts. It is easy to carry and can be used for family, business and business travel. Product size: About 13.2x7.5cm/5.19x2.95inch Product material: Plastic Packaging: Boxed Power supply mode: 2 AA batteries (not included)