This time around, it's wrapped in aluminum and has a new button to activate the Super Mic. Nothing Ear (3) sound qualityThe original Nothing Ear (1) buds were not very good. When you speak into the case's Super Mic, it sends the signal into your earbuds, and then to the phone, all via Bluetooth. The recording with the Super Mic sounded bassy, present, clear, as if there was no humdrum around me. Nothing Ear (3) connectivityThe Nothing Ear (3) support Fast Pair for effortless connection to Android and Swift Pair, which is the Windows counterpart.