Watch diameter: 42.5 mm Watch thickness: 10.8 mm Watch weight: 59G Strap width: 20mm Display: 1.2 round screen Processor: Nordic NRF52832 Memory: 512Mb + 128Mb Bluetooth: V4.2 Sensors: dynamic optical heart rate sensor, acceleration sensor Battery capacity: 165mAh Mobile phone system: Android 5.1 and above, I0S10.0 and above
Waterproof rating: IP68 (waterproof and dustproof in daily life, no swimming)