The isolation chart is absent because, well, the headphones don’t do anything to block out sound and they’re not supposed to. When you want to disable Bluetooth multipoint, press and hold the multi-function and volume up buttons for 3 seconds. Enter pairing mode by pressing and holding volume+ until Audrey says “pairing” and the LED indicator flashes red and blue.

A universal drawback to this type of headset is that if you chew or drink, the sound quality will degrade during that motion.By leaving the ear canal open, these headphones alleviate the pressure that can build up with in-ear headphones, keeping you comfortable all day long. This is the headset you get when you want to be vigilant and is not what you take on a noisy flight. Position the NFC sign, found on the left arm of the headset, close to the NFC detection area of the Android device you are connecting to.

The AfterShokz Air does nothing to block out background noise since it doesn’t occulude the entrance to your ear canal at all. Put the Trekz Air on full volume and you start to feel the vibrations in your jawbone, with the odd sensation of a slight tickle in your ears. It’s comfortable for hours at a time thanks to the flexible, well-sized band that fits all head sizes.Bone conduction headphones convert your phone’s digital signal into mechanical energy, and then send those vibrations through your cheekbones and into your inner ear for your brain to process.