Fast delvy, easy to use esp activating ANC mode just by touching L side, sound quality is more base, crisp voice n treble is not too sharp to hurt yr ears. Super long hr batt is d biggest attraction for myboirchase. Gd quality product well done HW!####[['delvy', 'Logistics#Speed', 'positive'], ['sound quality', 'Audio/Sound#Tone quality', 'positive'], ['voice', 'Audio/Sound#Tone quality', 'positive'], ['treble', 'Audio/Sound#Volume and Speaker', 'positive'], ['easy to use', 'Ease of Use#Easy to Use', 'positive']]