​Functions: • Pedometer • Calorie counter • Distance meter • Blood pressure and heart rate monitor • Blood oxygen meter • Sleep quality tracker • Multisport mode: indoors, outdoors  • Weather forecast Compatibility: IOS 8.2 or above Android 4.2 or above Charging time: 2.5h Battery: 90mAh Bluetooth 4.2 Sensor: G-sensor/3 axis Colour: black