NEW LUMEN Metabolic Weight Loss System (opened)

Box has been opened; unit was used once; everything--including the unit, paper folder with info, and box--has been wiped down with alcohol. Questions? Leave a comment below! ********* UNDERSTAND your unique metabolism, promote fat burn, lose weight, and boost energy naturally. LUMEN reveals your body's fuel source, guiding you toward optimal metabolic health, so you can manage your weight, increase your energy, and discover a healthier you. YOUR metabolic flexibility is directly influenced by the way you eat, exercise, sleep, and manage stress, and it's the key to reaching your health goals. LUMEN meets the gold standard of metabolism measurement (RER) - as proven in multiple peer-reviewed validation studies. BREATHE into your Lumen each morning to find out whether your body is burning mostly fat or carbs, and to understand how your lifestyle is impacting your metabolic health. TAKE a breath before your workouts to find out if you need a snack to prevent muscle breakdown and maximize performance. More info at https://www.lumen.me/ ************************** Lumen WILL NOT WORK it you have any lung illness, decreased lung capacity, or past surgery on your lungs that included removal of lung tissue. That's why I couldn't use it. I have decreased lung capacity.