JBL Tune 660NC: Wireless On-Ear Headphones with Active Noise Cancellation - Black, Medium - The Tune 660NC wireless headphones feature renowned JBL Pure Bass sound, which can be found in the most famous venues all around the world. - Keep the noise out and enjoy your music with active noise cancellation - With Wireless Bluetooth 5.0 Streaming, you can stream wirelessly from your device and even switch between two devices so that you dont miss a call. - Listen wirelessly for 44 hours with active noise cancelling for long-lasting fun. Or for up to 55 hours with BT only. Get 2 hours extra with just a 5-minute charge using the convenient USB Type-C cable. Enjoy endlessly in wired mode, using the detachable cable provided..Note:If you face issue in Bluetooth connectivity please turn off the Bluetooth function for a couple of minutes, then turn it back on - Easily control your sound and manage your calls from your headphones with the convenient buttons and the mic on the ear-cup. Or use the ear-cup button to quickly reach your devices voice assistant.