w-ring / Ring

The ring for races is for the woman that practice sports, mainly the corridors. It follows formal aspects of a common ring, but it is armed of 3 electronic devices. This gadget monitorial the cardiac frequency, chronometers the race time and plays music in a mp3 player in earphones with conveyance bluetooth. The ring has in its circumference others two internal silicone rings that allow the adjustment of the device for any user. When the exercise is finished, the phones stays in the silicone rings, creating a safe compartment for them.