JBL Everest Elite100 NXTGen Noise-Cancelling Bluetooth In-Ear Headphones Black ———— Everest Elite 100 NXTGen Noise-Cancelling Bluetooth In-Ear Headphones Black. Featuring the first-ever wireless NXTGen Active Noise Cancelling technology for in-ear headphones, the Everest Elite 100 combines legendary JBL sound quality with Bluetooth 4.0 wireless connectivity. You’ll enjoy an immersive listening experience and the ability to control the amount of outside noise you let in, giving you the power to balance your music with your awareness of your su