Sennheiser HD 4.50 BTNC
ANC, 19 h, Wireless
Sennheiser HD 4.50 BTNC
ANC, 19 h, Wireless
The inner diameter is 30mm wide and 65mm high.
Sennheiser certainly doesn't have the best noise cancellation. GU generally only works for regular noises anyway. I need it mainly on the train. For that, the GU (and especially the sound quality) is good in any case!