Resistance to sweat makes it ideal for use while doing sports.
Able Planet Clear Harmony Sound SI1000B
Philips Bluetooth Stereo Headset SHB6000/28
10% have it
16. has an in-ear form
The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.