With the JBL Tune 245NC TWS Black, you can enjoy your favorite music and podcast without distractions. Thanks to noise canceling, you hear less of your surroundings. This way, you can get completely immersed in your favorite music and you can focus on your work better. The earbuds have a 12-hour battery life and the charging case has a 36-hour battery life. As a result, you can listen to up to 48 hours of music with 1 fully-charged battery. Thanks to the IP54 certification, the earbuds are dustproof and water-resistant. This means that you can work out without issues with these earbuds. You can adjust the audio preferences in the JBL Headphones app. For example, the bass, mids, and treble.