Peace, mercy, and blessings of God be upon you, For sale: RingConn smart ring, an ideal choice for tracking health and fitness with ease and without the need to wear watches. Brand: RingConn Size: (Write the ring size here, / Size 11 Color: (Write the color here, e.g., Matte Black / ) Condition: (Used, like new) Accessories: Original charging case + cable + complete product box. ✨ Key Specifications and Features: No monthly subscription: Use all app features for free with no fees. Very strong battery: Lasts up to 7 to 12 days on a single charge (depending on the generation) with a portable charging case that provides additional charges. Accurate comprehensive health tracking (24/7): Measures heart rate and body temperature. Tracks blood oxygen level (SpO2). Accurately monitors sleep quality and duration, analyzing sleep stages. Measures stress levels and tracks physical activity, steps, and calories. Water-resistant: Resistant to water, swimming, and daily washing. Lightweight and elegant design: Made of high-quality materials (lightweight titanium) and very comfortable for sleeping and daily use. Full compatibility: Works with iPhone (iOS) and Android devices via the official RingConn app.