ADVANCED SMART CASE - Jabra’s Bluetooth LE Audio smart case transforms your listening experience. Plug the case into a 3.5mm or USB-C jack in the treadmill, TV or the in-flight entertainment system on a plane and enjoy sound like never before.\nZONE OUT IN THE SPATIAL SOUND - Dolby Atmos with Head Tracking technology creates a 3D audio environment so you can bring the surround sound with you and enjoy an unmatched music experience while you focus on your workout or lock in at work.\nPREMIUM COMFORT, EVEN AT THE GYM - These bluetooth earbuds are built with a unique, semi-open design that relieves in-ear pressure so you can wear them all day without discomfort. Choose from different sized eargels for a secure, custom fit.\nWORK AND WORK-OUT PROOF - IP57 rated for water and dust protection which means these earbuds are built for wherever life takes you. Durability you can count on during your hardest workouts and your longest runs.\nHEAR WHAT YOU WANT - With Natural HearThrough, stay alert of your surroundings no matter where you are. If you want to zone out, advanced noise cancellation creates the perfect atmosphere to focus on your workouts, even in the loudest environments.