purpleflower cylindrical bracelet watch ethnic retro natural stone woven watch band color:PurpleFlower RIG automatically measures the blood

RIG automatically measures the blood oxygen saturation level at night from 0:00-7:00 am

and Enjoy Every Moment

Data obtained during the use of this app is for reference only

and automatically detect your sleep quality

purpleflower cylindrical bracelet watch ethnic retro natural stone woven watch band color:PurpleFlower RIG automatically measures the bloodSmall size: approximately 14cm+3 holes (including dial length), approximately suitable for 5 6. 5 inches of wrist product weight: approximately 20g after packaging Large size: approximately 17cm+3 holes (including dial length), approximately suitable for 6. 5 8. 8 inches of wrist product weight: approximately 22g after packaging All dimensions were measured manually with some deviation.