Popularize Hot: Lamp  LED  light  Cup  bracelet  Flash  hot  stick  Ice  Fan 
Collect  |   Report 2020-12-07 17:27   Attention: 30   Answer: 1

Does the negative ion purifier make noise during its work?

Unsolved Reward points: 0 - From the end of the problem as well

Does the negative ion purifier make noise during its work?