These true wireless earbuds give you up to 48 hours of exceptional JBL Pure Bass Sound, while the ergonomic, water and dust resistant design gives you all-day comfort in any weather. A simple touch allows you to manage and enjoy perfect calls anywhere, without ambient noises. And with Active Noise Cancelling and Smart Ambient technology, you choose whether you want to tune out the world or engage with your surroundings. The bud design ensures perfect isolation from outside noises and secure fit. Best of all, the JBL Headphones App lets you personalize your entire listening experience. Only used a few times.