Clearly, introducing one Bluetooth headset in a single day just isn't enough for Motorola. In addition to the Oasis, the outfit has also let loose the new S10-HD, a wraparound set that is marketed as Bluetooth headphones rather than a BT headset (though it's fully capable of acting as either / both). As expected, these guys are designed to withstand all sorts of sweat beads, enabling fitness junkies to keep on rockin' in the free world regardless of how steamy the conditions may be. We're also told that the speakers are recessed in their housing with a new ear cushio