Part of the Tune series In-ear headphones feature a snug dot design for deeper bass performance and all-day comfort 10mm driver unit produces pure bass sound Noise-cancelling technology minimizes ambient noise for a superior audio experience Earbuds are Bluetooth 5.0-enabled for convenient wireless listening Built-in microphones allow for hands-free calls Water- and sweat-resistant design enables use while working out or while walking in the rain Charges fully in two hours for up to 10 hours of battery life, plus 30 hours from the charging case Use the JBL Headphones App to optimize your listening experience Includes charging case, USB Type-C charging cable, and three sets of eartips in various sizes