Noise reduction seems to work well. Needless to say, re-attaching the rear wheel every time is very inconvenient. from the mud or rain in an instant and "aint nobody got time" to be changing their shoes before they do that. Perfect fit, very comfortable. The result, 3 frames have fallen, 1 of which broke. Habe diese Maus zuerst als Geburtstagsgeschenk für meinen Sohn gekauft, der eine neue Gamingmaus brauchte ! Its a VERY awkward fit. There are 2 simple things they could have done to make these work. The Bose are more muddy on the lows to me and more subdued on the highs. Mi hijo las lleva cómodas y parecen de buena calidad.