Packaged with one set of double-flange earphones and three sets of single-flanges, the new Bliss Platinum Earphones ($70) are one product of Altec Lansing's acquisition of Vestalife -- a pair of female-focused canalphones designed and sized to fit the smaller ear canals of girls and women. With fabric cabling, metal plug and driver housings, and unique jewel-like sides that are far more impressively detailed than one might expect from afar, the Bliss…