2IN1 Non‑Invasive Blood Glucose Meter Pulse Oximeter Portable Home No Blood No Need Prick Glucometer SpO2 Oximetry

Comes in super thin plastic envelope and item box is also thin and not for courier kind, so upon opening, box is in dismal state, cannot be use as gift state. Ugly courier sticker is plastered over whole of the box Item working well but later search seems isn’t the most competitive priced. \nThe box comes with a vague information and a QR code. No idea how it works. Have to use Goggle Lens and ask to decipher readings to have clue.