The star is less for the speaker weakling. By car, if it rains, if there is wind or the corresponding speaks too far handset you hear nothing even volume up.
The small cove just be worn over the ear is not very practical to. Although an accessory, it allows not to lose the headset anywhere ... I was previously an old Sony model that is not jammed in the pavilion of the ear and was much more convenient. Convenience is the primary function of this accessory ...
