【Jaw Exerciser】: Jawline exerciser is made of new & improved tear-resistant Medical Grade/Food-Grade silicone that is BPA Free and has a better elasticity and higher tensile strength to improve your jawline workout! You need just 10 minutes of daily chewing in order to achieve a more defined jaw line.
【Respiratory Trainer】: Take exhalation and inhalation as a set of 10 to 15 times of exercises, do 2 to 4 sets of simple breathing exercises per day. Adjust the appropriate resistance, keep training then you will feel the increased endurance of your breathing muscles.