Type:Massage & Relaxation<br /><br /><br />Feature:<br />1.Reduce breathlessness and increase lung capacity by strength-training your respiratory muscles.<br />2.Power up your lungs with a daily workout from the comfort of your armchair.<br />3.Simply use it for about five minutes a day(equal to 30 times' breathing).<br />4.Small and compact， you can take it anywhere.<br />5.It can be used by almost anyone with no side effects.<br />6.Three adjustable step for your choice: weak， medium and strong.<br /> <br />Package  Includes: 1Pc  Abdominal breathing trainer