3 ms·
Would be interesting to do a blind test, where you don’t know if the HR monitor is on or off.
by legulere 9y ago
Would be interesting to do a blind test, where you don’t know if the HR monitor is on or off.
- Abishek_Muthian 9y agoInteresting, would try. But there are number of people who claim to have woke up in the middle of the night with pain & numbness.