Get more out of your music with the JBL Live 660 Noise Cancelling Over-the-Ear Headphones. The over-the-ear design with 40mm drivers deliver a signature sound, while the Bluetooth wireless technology connects to most devices for convenient hands-free listening. The Active Noise Cancelling technology helps block unwanted sounds, and the TalkThru and Ambient Aware technology produce natural-sounding conversations while maintaining awareness.