Lower the temperature between 5 and 8 ° Celsius with an external temperature of 33 ° on a Sony and a IPhone. I want to see when there's a temperature of 45 ° what he can do. For these phones it is the difference between working optimally or slowing down quite a bit. When you talk you can see a vibration, which along with the size is a little cordious, but if it's for sailing or playing it's great
