E-X-P-A-N-D Breathing Capacity Now!
Inhale and exhale more air with every breath as you strengthen respiratory muscles to help you breathe easier, feel better and improve your overall health.
Up to 30 breathing exercises shown in real time display.
Review the history of your past results &keep track of your progress and make personal goals.
Includes tube with tube connector, mouthpiece, 5 resistance cones & quick-start training guide.
Runs on 2 AA batteries included.