JBL TUNE 600BTNC Wireless On-Ear Headphones with Active Noise Cancellation (Blue)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