Vintage Double Stitched Calf Leather Strap 20 / 22 Health featuring a comfortable design and

featuring a comfortable design and long-lasting battery life

Three-axis step count detection (more accurate

deep and REM sleep and get a daily Sleep Quality Score in the app to better understand your sleep quality each night

Fresnel Optical Lens - More Accurate Optical Measurement Technology

The power of advanced AI algorithms transforming your health data into actionable insights

Vintage Double Stitched Calf Leather Strap 20 / 22 Health featuring a comfortable design andSeparate purchase watchband does not ship, thank you for understanding. Note: Y9PRO is not suitable for this product. Other styles are recommended to choose 22mm. [High Quality Leather] The flexible genuine leather band makes watch wearing more comfortable. Thanks to the classic color combination, your watch is suited for all occasions. Two cross stitched collars and a reinforced lining provide durability and dependability. [Quick Release Function]