Function: 1 Portable mini air purifier can effectively purify your surroundings. 2. Low noise, completely silent while working, does not affect your daily rest or work. 3 Purification function removes smoke and dust and deodorizes 4 Small and beautiful, easy to carry, can be used in office or home bedroom. 5 Easy to use, stable operation, let you breathe clean every time. How to use: 1 Extreme Deodorization Mode: Double click the "key switch" to start and release activated oxygen in 30 minutes, stop for 30 minutes, cycle and restart until the vehicle runs out of indicator light (about 3 days) In deodorizing mode, the status light is always red 2. Freshness Retention Mode: Press the "Key Switch" for 2 seconds to start the activated oxygen release for 5 minutes, stop for 90 minutes, sleep cycle until the battery runs out. The indicator light is: When off (about 30 days), the status light is red, and the breathing light will light up 3. When deodorizer starts, press "press key to turn on" for 2 seconds, all functions will be turned off 4. In either the power query or charging mode, you can click the button switch to check the battery power. a>