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)