The device also lets you sync a bluetooth heart rate monitor, and work towards a target heart rate.

该装置还能通过蓝牙同步到心率监测器上，并指导使用者朝目标心率而努力。

I was finally reaching my target heart rate on my walk.

从你家前院走过时 我的心都要跳出来了。

Luckily, you don’t need to push your heart fully to get the health benefits of exercise, which is why doctors usually recommend shooting for a target heart rate zone of only 50-85% of your max.

幸运的是，您不需要全力以赴来获得锻炼对健康的好处，这就是为什么医生通常建议将目标心率区设置为最大心率的 50-85%。