Portable Abdominal Respiration Loss Weight Slimming Device

Features:

• Abdominal breathing exerciser is a breakthrough product for respiratory fitness training.
• works to improve the strength of your lungs and slim your waist, face, and reduce abdomen.
• Power up your lungs with a daily workout from the comfort of your armchair
• Simply use it for about five minutes a day (equal to 30 times' breathing)
• Small and compact, easy to carry.
• No side effects.
• Three adjustable step for your choice: weak, medium and strong.