DetailsIt takes heart to reach your goals. Stay on track with the Soleus Pulse Rhythm BLE. The Soleus Pulse Rhythm BLE gives you an accurate real time reading of your heart rate from your wrist. The rechargeable unit with USB plug integrated into the strap allows you to train within target zones, set interval timers, and store your data for later review. Upload your data via Bluetooth using the dedicated Soleus app on your mobile device.