Wrist based heart rate monitor gps receiver track your speed distance pace and heart rate 6 interval timers upload your data via bluetooth 100 lap data storage rechargeable battery 30m water resistant keep racing with the soleus gps pulse ble wrist based heart rate monitor the gps pulse ble measures your heart rate while on your wrist no need for a chest strap the rechargeable unit allows you to customize 3 viewable lines of data that track your speed distance pace and heart rate set up to 6 int