Ceramic Ring: Heart Rate, Blood Oxygen, Sleep Monitoring, Waterproof, Multifunctional, Customizable, Bluetooth NFC for Couples

Experience advanced tracking with this innovative ceramic ring designed for couples. It offers heart rate monitoring, blood oxygen level tracking, and comprehensive sleep analysis, all within a sleek and waterproof design. Enhance your lifestyle with its multifunctional features, and personalize your experience through customizable options. The ring seamlessly connects via Bluetooth NFC, ensuring you stay in sync with your partner in style and functionality. Battery capacity: 50 mA Physical dimension: #8, #9, #10, #11, #12 Product weight: 3g Wearing method: Finger wear Additional features: Heart rate, blood oxygen, blood pressure, heart rate variability, sleep monitoring tracking, sleep body temperature, sleep analysis Packing list: Ring + Charging Case + Charging Cable + Manual + Exquisite Packaging Manufacture country: China Instructions included: No