Product description:

1. A  variety of strap materials and colors are available : Strap in silicone , leather and metal. Change it  freely.

2. You  can change your watch strap every day to follow your heart 

3. 24 hours heart rate monitoring all  day  long  to  watch  over love every minute . It can not only test the sedenary heart rate , but also realize  the real - time monitoring of  the  heart rate  during  exercise. More professional , more intelligent 

4. Q1 smart watch is bulit with  a number  of  fashionable and beautiful  dial , and  supports custom dial, beautiful  selfie & scenery , cool sports  car , self- designed  patterns ... You  can  put it  all on your watch.