Smokeless AshtrayIt can not only absorb tobacco smoke, but also act as a deodorizing ashtray. Thanks to the activated carbon filter, the fume extraction port absorbs fumes and absorbs odors. It is a smokeless ashtray that reduces secondhand smoke and absorbs cigarette smoke.High-performance filterThis product has built-in fan blades, 2000 rpm high suction power. min, which can remove 99.98% of fine particles down to 0.1um, such as tobacco, smoke and pollen. It can be effectively disassembled, disinfected, sterilized and deodorized. Inhale cigarette smoke and air dust from the top of the ashtray, deodorize it with a powerful deodorizing filter, and release clean air from the side.USB charging design Equipped with 4000mAh battery, it can be used for about 18 hours when fully charged. It can be powered by PC or mobile battery using USB cable. It can be used where there is no power supply, not only indoors but also outdoors. It is a useful item without disturbing your surroundings.Level 2 air volume switch. You can adjust the air volume in power saving mode and boost mode. There are two working modes, "low speed mode" and "high speed mode", and it is very convenient to switch modes with your fingertips.