Fitness band with Bluetooth 4.0, heart rate sensor and color display -Track your activity + sleep and display it in the app -Direct charging via USB -Simple operation -Pair with your smartphone via Bluetooth -Display caller ID & SMS notification -Watch and alarm function -Pedometers function: Steps, distance & calorie calculation -Smartphone "find function) -0.96" TFT display with color screen -Built-in lithium-ion polymer battery: 90mAh, standby time 7-10 days -IP-68 waterproof -Compatible with STRAVA and Google Fit.