Isolation is very good, and I am able to sit at my desk typing this review, and hear nothing of my keystrokes at all with music playing. Its fairly sturdy and should handle over 200 lbs with just a little wiggles. After using this phone mount on my bike for many hours, I feel confident enough to say it will keep your phone safe. He wears them all the time and says they are warm and comfortable, and I have yet to look out and see him slipping or sliding across the deck (plus we got a e-lock so he isnt locking himself out anymore! First, the quality of sound is mediocre at best. Bought my first pair on prime and they were buttery soft and amazing. First thing that hit me was the sound. This was supposed to be a gift for my grandmother. ? The ?turn on? and ?turn off? button is the same but Jabra was smart enough to ensure that you wouldn?t confuse the 2 functions. * REVIEW ON THE 24" Midwest Deluxe Bolster Pet Bed:This is not heavily padded in the "Bed" area, but I expected that.