R11M Smart Ring IP68 Waterproof Fitness Ring Bluetooth-Compatible 5.0 Friend Adding Smart Photo-Taking Sleep Ring for Men Women

It's a great honor for you to visit my store. Good luck with your favorite purchases Hign-concerned Chemical : none Model Number : R11M Metrics measured : Heart Rate Monitor,Sleep Monitor,Blood Oxygen Monitor Item Weight : 74.00 Battery Capacity(mAh) : 20mAh Certification : none Origin : Mainland China Brand Name : Shunmaii The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom'sd policies and EU Product Safety and Compliance laws.