In this Core Bluetooth tutorial, you’ll learn how to discover, connect to, and retrieve data from compatible devices like a chest-worn heart rate sensor.
Hi @ivanlares - Sorry about the late reply on this. You don’t need any kind of account to view the specs but it looks like the main problem is that the links are broken, and the website no longer links directly to the specs for the characteristics. I did find a GitHub repository that might help, for example this link shows the data shown in the sceenshot: