Tips: 1.Display and light of shoot will affect the color of the products, pictures for reference only, subject to our available products. 2.Please download the app before usage in order to compatible perfectly with your phone.
1.Q. Is it waterproof ?
A. It's IP67.
2. Q. What is the APP?
A. It’s WearHeart.
3. Q. How to change the time of my device?
A. Please synchronize the device with your phone through bluetooth to calibrate time.