LG Upgrades Its Wearable Air Purifier , With a Built-In Mic and Speaker.br Last year, LG unveiled its br PuriCare Wearable Air Purifier.br Last year, LG unveiled its br PuriCare Wearable Air Purifier.br Outfitted with three fans and a pair of br HEPA-style filters, the company touted the creationbr as a superior alternative to traditional masks.br Now, the company's invention br has received an upgrade.br The newest version of the mask features a smaller, lighter motor, a built-in mic, speaker and voice amplifier.br It features "VoiceOn" technology that automatically recognizes when you're talking and engages.br The new mask will launch in Thailand in August, but it is currently being promoted with the help of the Thai Olympics team.br The entire team can be seen sporting br the mask at the Tokyo Games.