Healthy Optical Mouse BJM-299 Features: 1. Latest optical technology with 800 dpi Ergonomic comfort and ease of use technology Attractive streamline shape & Advanced built-in buttons makes BJM-299 a fancy partner the to your computing life. 2. Built-In air ionizer/ozonizer offer a.. Purify air - Improves air quality in your working environment . b.. Germ restraining & germ killing -The ozone can kill most of germ in the air. c.. De-stink (decomposing organic gas) -- ozone may first destroy the energy key of organic gas and turn it into single gas molecule. d.. Non -poisonous e.. According to the health principle between Anion,Ozone and people, we design the Automatic Circular Control System to provide one minute Ozone generation and 7 minutes Anion generation. Address: 广东深圳深圳市龙华镇龙华村委新同富裕工业园11栋4楼 Zip:518109 Tel: 86-755-61123680 Contact: 吴廷浩 HomePage: http://www.bnjep.com