: The total mass of fat divided by total body mass.
: The "BT" in the query stands for Bluetooth. Ensuring your device’s firmware and the accompanying app are up to date (such as moving from v4.10 to v4.11) often resolves "failed to sync" errors or pairing issues. human body composition monitoring system -bt v4.11- download
For modern Bluetooth (BT) enabled monitors, the software is what transforms raw electrical data into readable trends. : The total mass of fat divided by total body mass