Fitnessband with heartrate monitor & colour display Track your activity & sleep. Free app for Android and iPhone. Product information Fitnessband with Bluetooth 4.0 function & heartrate monitor + colour display Track your activity + your sleep, and get it displayed in the free app Charge via included charger by connecting to USB Easy to use, just one button on the band Free app for Android & iPhone Pair with your smartphone via Bluetooth Caller ID display & SMS notification Clock & Alarm function Pedometer function: Steps, distance & calories calculation, find phone function, camera shutter function, vibration alarm clock function 0.96" colour display Built-in lithium ion polymer battery: 90mAh, standby time 7-10 days IP-68 waterproof Compatible with Google fit & Apple Health