Music is essential for workouts, and earbuds are an easy option to plug into a smartphone or MP3 player. Yet those earbuds can block out ambient noise that you need to hear, such as oncoming traffic. AIRbudz is a replacement for the earpiece that comes with your earbud headphones. Air channels allow ambient noise to enter your ears, while not distorting music. Continue reading AIRbutz Let Air, Ambient Noise In