ãSBONE air purifier, with a rotating speed of 2800 rpm, can eliminate biological pollutants, clean air and breathe healthily. It is a unique French design product from Switzerland, which can efficiently solve the indoor pollution problem and bring the forest flavor home without leaving home. Continuous release of negative ions, fresher breathing, and effective removal of harmful substances such as suspended particles, bacteria, dust, formaldehyde, mites and peculiar smell. Optional according to personal preference and environment.