คุณสมบัติน่าสนใจมาก แต่หน้าตาดูกิ๊กก็อกจัง

"...Release the negative ions, and the air of harmful dust carried by the positive ion and loss of vitality
Decomposing indoor smokes, smell, bacteria, For example, cigarette smoke, restroom smell, Flu, pet carry germs, active and effective prevention of two pollution, radiation protection..."

http://www.ebay.com.au/itm/400922592145

http://www.ebay.com.au/itm/Rotatable-Mini-Size-USB-Computer-PC-Indoor-Ionic-Ionizer-Fresh-Air-Purifier-/281745830669?hash=item41995c330d