The iPhone Stereo Headset begins with a pair of two familiar white and gray earbuds, a design taken directly from Apple’s September 2006 update to its standard, packed-in iPod Earphones (iLounge rating: B+). These earbuds combine subtle gray silicone rubber edges with narrower diameter and seemingly lighter hard plastic casings than the old iPod earphones, and do not include black foam covers like their predecessors. In some ears, the new design…