Finally, the teaser's over. The latest delivery to Engadget's UK penthouse is the Jabra STONE Bluetooth headset due out in the US on 8th November, and we took no time to extract the pebble from the transparent cylinder. In front of us are the two parts of the STONE: an earpiece of a breakthrough form factor that instantly makes you pity its rivals, and behind it is the accompanying portable charging base which serves as an external battery. The latter is equipped with a micro
