SAN FRANCISCO –December 15, 2010 – Sensear, the world’s leading high noise communication headset manufacturer, recently debuted its market-changing Intrinsically Safe (IS), Smart Muff, at the Oil & Gas technology trade exhibition OSEA in Singapore, November 30, 2010 –December 3, 2010. The product debut was presented to the global event’s largest number of attendees in its 30-year existence, with record-breaking numbers of over 22,000 industry professionals.