The Icon X offers a tonne of features and decent dynamic sound, making them among the most versatile wire-free in-ear earphones on the market. However, fiddly touch controls and no heart-rate monitor limit overall potential. In short: a great all-rounder that's not quite perfect.
Dynamic sound; Ambient sound adjustment to hear the outside world; Secure fit during exercise; Lots of features
Touch controls are fiddly at times; Connection not perfect; No built-in heart-rate sensor limits fitness potential