HRV P6.0 (Heart Rate Variability), hardware & Software 24/11/2020 Peter Litchfield Leave a comment View cart “Vest P6.0, for wearing the P6.0 CapnoTrainer” has been added to your cart. $175.00 HRV P6.0 (Heart Rate Variability), hardware & Software quantity Add to cart Category: ACCESSORIES, for P6.0 CapnoTrainers only Related products Vest P6.0, for wearing the P6.0 CapnoTrainer $75.00 Add to cart