JBL Everest 700 Wireless Bluetooth Around-Ear Headphones (Gray) Bluetooth 4.1: Connect to any Bluetoothenabled device for amazing sound quality without the hassle of wires. Legendary JBL Pro Audio Sound: Enjoy the same elevated experience and incredible sound JBL has been delivering to concert halls, studios and living rooms for almost 70 years. Bestinclass Ergonomics: These headphones are ergonomically designed to fit the unique contour of your ears. You'll experience unprecedented comfort. Listen longer and enjoy it more. ShareMe 2.0: Only JBL enables your friend's Bluetooth headphones to connect with yours; share your music, videos and games  easily and wirelessly. Builtin Microphone: Enjoy more natural sounding voice calls with a builtin microphone with echo cancellation technology.