As far as unusual designs go, Sony's been having one productive week. First the tablet team showed off the funky S1 (and funkier S2) and today Walkman's managed to grab our attention. The outfit just announced the NWZ-W260 series, a music player baked directly into a pair of lightweight headphones. In case it wasn't already obvious, Sony has its eyes set on the sweaty, gym-going type, and to sweeten the deal it's coated the player in a water-resistant finish. It's rated for up to eight hours of battery life, and also packs a quick charging technology that would allow you to rebound to an hour's cap
