JBL Wave Buds 2 | True Wireless Noise Cancelling EarbudsJBL Pure Bass sound JBL Wave Buds 2 earbuds feature 8mm dynamic drivers that deliver exciting JBL Pure Bass sound. Active Noise Cancelling with Smart Ambient JBL Wave Buds 2 earbuds use Active Noise Cancelling to listen to your surroundings and filter out distracting noise. Smart Ambient lets you control how much of the outside world you want to hear, so you can talk with others or stay aware of your surroundingsall without taking your earbuds out. 4