Perform alcohol by volume calculations and true proof conversions. Adjust spirit proof by volume or weight. Calculate alcohol characteristics by volume or weight. Set global units for metric or standard, proof or ABV, and specific gravity or brix.
Measures watch accuracy, beat error, and amplitude using mechanical watch ticking sounds. It requires Apple EarPods' microphone for input. Users can adjust microphone contact with the watch crown to improve signal quality.
Control massage intensity and duration. Select preset programs or customize settings. Track usage time and session history. Receive safety reminders and usage guidelines.