# Design a self-circulating oxygen equipment for global environmental protection# Do not reprint it for commercial use!!
The original intention of designing this product is to make a contribution to the cause of environmental protection. With the lifting of the epidemic

The retaliatory tourism culture of contemporary young people has become a trendy imagination, adhering to watching it while young.

The principle of the motherland's great rivers and mountains, hiking and land on the plateau, climbing the peak and other extreme challenges. This self-supplied

Oxygen equipment is light and easy to carry, the self-circulation principle does not need to pollute the environment, and uses the molecules of air.

Automatically converted to oxygen. In addition, an attachment - blood oxygen measurement equipment has been added to keep abreast.

Self-blood oxygen status.