The SMARTBAND M5 communicates with your smartphone via Bluetooth. You can connect the band using the FitPro mobile app, which can be downloaded from Google Play or the App Store. The M5 band is your personal trainer on your wrist, helping you take care of your health 24/7. The M5 is not only an elegant and fashionable accessory, but above all, it's an ideal option for anyone striving for a healthy lifestyle.