IPhone4 fits properly and can be operated properly by the shell. The headphone jack fits perfectly with the existing hole.
The HTC Sensation also fits flawlessly and again no problems with the operation through the shell. To plug the headphones, the envelope must be a little drawn, thus hole and connection are superimposed.
The comfort when walking is fine - you do not notice the belt and there are no annoying slipping or bouncing. Therefore, the belt eigenet also certainly light summer clothing.
The belt is also so flexible that you can easily turn the phone so that you can see the display.
Now for the negatives - the belt smells very unpleasant and the phone after half an hour walk then unfortunately. Unfortunately, this is common in neoprene a problem, but there are also products where this is not the case. Ventilate After a few days it has decreased but it is still intrusive.
This should definitely note buyer who can not tolerate the smell of neoprene. From me there is this therefore a point deduction.