Characteristics Blood oxygen sensor: Yes Tension Monitoring Function: Yes Running dynamics: Yes Accelerometer: Yes Distance traveled: Yes Thermometer: Yes Pedometer: Yes Sleep quality: Yes Calories burned: Yes Ambient light sensor: Yes Calendar: Yes Stopwatch: Yes Recommended activity Yoga Bicycle Fitness Pilates Swimming Running Alarm: Yes Weather display: Yes Gyroscope: Yes Electric compass: Yes Timer: Yes Heart rate monitor: Yes Design Watch case color Black Blue Market positioning: Sports watch Housing material: Glass fiber reinforced polymer (GFRP) Watch case size: 46 mm Wrist size: 135 - 205 mm Band size: One size Strap material: Silicone Shape: Round Belt color Black Blue Water resistance: 5 ATM Power Supported battery type: Built-in Battery life: 15 days Battery life (in GPS mode): 24 h Weight and dimensions Product width: 46.1 mm Product depth: 46.1 mm Thickness: 1.29 cm Product weight: 47 g Network GPS: Yes Mobile network connectivity: No GLONASS: Yes Galileo: Yes Efficiency Support for mobile operating systems Android iOS Built-in camera: No Flash memory: 8 GB Display Display technology: AMOLED Touchscreen: Yes Resolution: 416 x 416 px Screen diagonal: 1.3 Display type: Digital Color display: Yes Ports and interfaces Bluetooth: Yes Wi-Fi: Yes USB port: No Headphone plug: Bluetooth