Where it surges ahead, however, is its compatibility with two of Polar’s heart rate monitors. In general, Polar’s Loop is billed as the most serious of the fitness tracker bunch. While most ...

Daniel Hunt needed open heart surgery six years ago after ... Daniel would face surgery to fit an entire new monitor, called a loop reveal device. Even if a replacement were available, she is ...

It’s fastened using a hook and loop. With an IPX7 rating ... For the most part I also wore a Polar H10 chest strap heart rate monitor during these training sessions, connected to a second ...