Rarely do you need to review a product twice, even electronic devices that receive occasional or regular software updates. There are rare times, however, when an update changes the game so significantly that it almost feels like you’re using a completely different and newer product. That’s the miracle that Australian startup Nura tried to pull off with the G2 update to its already groundbreaking wireless headset. But does the nuraphone G2 leave up to the company’s own high standards? We prick up our ears to find out.