Specifications Size: 1.6″ (40.0mm) Weight: 36.8 g Bluetooth v5.3 Sensors Accelerometer,Barometer,Gyro Sensor,Optical Heart Rate Sensor,Light Sensor Dimension: 42.9 x 28.8 x 9.9 mm Weight:36.8 g Battery Capacity: 208mAh Typical Usage Time: Up to 13 Days
