| PRODUCT | BRAND / MAKER | PHOTO | FUNCTION | REMARKS |
| Air Purifier (powered by UV LED) | MOSCLEAN |  |  | Korean Technology |
| Battery Life Extender (pulse desulphator) | NANOPULSER+ |  |  | Japan Technology |
| PRODUCT | BRAND / MAKER | PHOTO | FUNCTION | REMARKS |
| Air Purifier (powered by UV LED) | MOSCLEAN | | | Korean Technology |
| Battery Life Extender (pulse desulphator) | NANOPULSER+ | | | Japan Technology |