English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

1 answers

You could measure your heart rate during the first few rounds and then use your heart rate to estimate a minute.

The best thing is you can do it secretely!

2006-12-10 18:47:47 · answer #1 · answered by heidavey 5 · 0 0

fedest.com, questions and answers