JBL Everest Elite 100 NXTGen Noise-Cancelling Bluetooth in-Ear Headphones White Type Ear coupling: In-ear (earbuds) Primary application: General listening Secondary application: General listening Operating principle: Closed Audio Frequency response (TX): 10Hz - 22kHz SPL: 109dB Driver diameter: 13.5 mm THD: Not specified Noise cancelling: Yes Comfort Weight: 40 g Cable Style: Not applicable Length: Not applicable Connector: Not applicable Built-in mic: Yes 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 Youll 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 surroundings An integrated microphone lets you make crystal-clear phone calls