Lumen Metabolism Tracker (MF-V2-01) – Handheld Metabolic Measurement device Open

Opened and charged to test only. It’s open box which means it has been opened, charged, put back in box. It’s not officially brand new as I tested it. If your unsure of what open box means please ask before purchasing.
And also, read the web and make sure u want this item. There is plenty of info on it. It is NOT a dr item but one can purchase anywhere.

Lumen Metabolism Tracker (MF-V2-01) – handheld breath measurement device. The item is new and perfect condition. I opened the box and ensured everything works well. You simply download the Lumen app for smartphone and get started tracking your metabolic function with instant readings about your ratio of burning predominantly fat to predominantly carbs. Simple to use and helps with dietary testing and modification.