7.0 Smart Ring with LED Screen5ATM Waterproof5.3+EDR Technology - 0.1%± Error Smart Ring for Men and Women to Monitor Sleep, Heart Rate, Silver 13#

The LED touch screen features 300 nit brightness for clear readability even under direct sunlight. Switch between different values with a simple touch, making it ideal for athletes and active individuals. HyperCharge 3.0 technology provides up to 24 hours of use from just 15 minutes of charging. The upgraded robust construction offers 5ATM+IP68 saltwater resistance, tested in the North Sea and used by over 100,000 consumers globally. It is suitable for swimming, showering, rainy days, and other wet environments. Whether for swimming, diving, or as a waterproof solution for daily use, it can handle all demands