The market for headphones with active noise canceling is large and more and more manufacturers are moving into this segment. Bose came under pressure with the Quiet-Comfort series, not only from well-known manufacturers such as Sennheiser, Sony and Co.
Very good ANC; Very comfortable to wear; Noise minimization even during telephone calls; Connection with two devices possible
Bose AR is (still?) a gimmick; No cable with in-line microphone and remote control