Monster and Nokia have partnered up to create a duo of stereo in-ear and on-ear headsets exclusively for Windows Phone smartphones. The Nokia Purity HD by Monster are the first official stereo headset headphones geared solely for Windows Phones said to deliver outstanding audio quality with the hands-free convenience. The Purity headphones are a purty set with a lot of promise judging by their marketing jargon. So what happens when two widely known companies collaborate with each other? Find out after the break!