version: 0.342 W/kg (head) 0.547 W/kg (body) US version: 0.55 W/kg (head) 1.49 W/kg (body) [ 6 ] Website Samsung.com/global/galaxys3/ The Samsung Galaxy S III is a touchscreen -based, slate -format Android smartphone designed, developed, and marketed by Samsung Electronics . It sees additional software features, expanded hardware, and a redesigned physique than its predecessor,