Plantronics offers some of the least-expensive noise-cancelling heaphones on the market. But you get what you pay forr.
Inexpensive compared to competing ANC headphones; Long; 24-hour battery life; Long-range connectivity; Can be used wirelessly or plugged into a 3.5mm...
Muddy mid-range caused by overwhelming low end; Track control buttons difficult to landmark; Questionable build quality and design decisions; ANC not...