"Noise-cancelling (ANC) headphones use an external microphone to pick up background noise and then use sophisticated electronics to cancel it out. To power the electronics, you need a battery. Noise-c...
AdvantagesEngaging & easy enough to watch, had a down to earth feel to it
DisadvantagesLacked a degree of grittiness
AdvantagesDoes what it claims. Good price. Easy to use once set up. Loads of features
DisadvantagesAnswering machine volume is low. Contacts need to be entered manually.