Smart Rings for Men, Fitness Trackers for Women - Sleep Tracking Wearable - Heart Rate - Blood Oxygen - IP68 Waterproof, Compatible with Android & iOS（Black）

Product information:
Color: Color change 8mm, color change 9mm, color change 10mm, color change 11mm, rose gold 8mm, rose gold 9mm, rose gold 10mm, rose gold 11mm
Battery capacity: 17mAh
Color: tarnish, rose gold
Main functions: steps, distance, calorie calculation, heart rate, blood oxygen saturation, blood pressure, sleep tracking

Size:

Packing list:
Ring*1 Manual*1 Charging Cable*1
Product Image: