Tune out the world around you with the JBL TUNE 600BTNC Wireless On-Ear Headphones. Featuring an on-ear design for passive noise cancellation, as well as active noise-canceling technology, the TUNE 600BTNC can drastically reduce ambient noise, such as a crying baby or nearby conversations. With the world around you quieted down, you can blissfully focus on your audio. You can transmit that audio wirelessly via Bluetooth from compatible devices, such as a smartphone or tablet. Thanks to the built-in LiPo battery, you can enjoy 12 hours of use with both Bluetooth and noise cancellation turned on. Getting back to a full charge only takes 2 hours. Whether you're on the bus or strolling down the street, you don't have to fumble with your phone if you get a call while listening to music. The earcup has a built-in microphone and 3-button remote that lets you take calls, switching back and forth between functions with the simple press of a button.With the world around you quieted down, you can blissfully focus on your audio. You can transmit that audio wirelessly via Bluetooth from compatible devices, such as a smartphone or tablet. Thanks to the built-in LiPo battery, you can enjoy 12 hours of use with both Bluetooth and noise cancellation turned on. Getting back to a full charge only takes 2 hours. Whether you're on the bus or strolling down the street, you don't have to fumble with your phone if you get a call while listening to music. The earcup has a built-in microphone and 3-button remote that lets you take calls, switching back and forth between functions with the simple press of a button.