How to follow someone’s blood sugar?

1. Let the target person Use the Tomato App to bind a MiaoMiao Device. 2. Let the target person show it’s Messenger code. 3. Scan the target   Messenger  Code. 3.1 iOS user can open the camera App to scan the QRCode , then open the url. 3.2 Use any QRCode scanner App to scan the […]