- 📖🕓 ≈ 5 min - Last modified on 11th April, 2024 As mentioned in my last article, I use two different devices for monitoring. My Apple Watch Series 5 and the eDoctor device from TEKTELIC Communications . Before I go into the measured values in the next article, I will present the two devices (in more detail) today. Apple watch Apple Watch Series 5 The Apple Watch is probably one of the most well-known smartwatches and fitness trackers and almost