У вашего броузера проблема в совместимости с HTML5
These are my fins.
It can effectly double the amount of laps I can do in a pool, by adding support to the legs and giving them greater thrust in the water allowing me to train my entire body.
Ideal for diving use as well.
For more info on me see the link below:
http://www.dwaynefernandes.com.au/