H9Z is our first rechargeable chest strap heart rate monitor. We made great effort on improving the using experience. 

More and more cyclists, from professional athletes to those who casually ride on weekends to commuters who rely on their bicycle as a primary form of transportation, are faced with a dilemma: which should they use – a bike computer or a smartphone? While both have their own advantages, it can be difficult to...

 I didn’t know anything about bike computers when I started riding my mountain bike like 3 years ago. I just go for a ride when I feel like it. When I head to a new place, my only navigation buddy was my phone. It was quite convenient for me at first, but later on,...

How did I realize the importance of monitoring heart rate The correlation between heart rate and exercising How to calculate MHR Get to know 5 Heart rate zones How to monitor your heart rate Differences between chest heart rate monitors and armband ones Review on COOSPO  HW808S heart rate monitor What's HRV