Product Description:Introducing the revolutionary R02 Smart Ring – a breakthrough in wearable technology, offering seamless health monitoring right at your fingertips. With its state-of-the-art design, you can effortlessly track your heart rate, blood oxygen, and stress levels – all without lifting a finger. Your health data is automatically recorded, ensuring you're always in the know about your body's status.Wear it worry-free every day, the titanium steel shell, paired with advanced low-temperature potting technology, grants the ring a 3ATMIP68 water resistance rating. the R02 Smart Ring is not just feather-light but incredibly durable and resistant to wear. Its ruggedness is matched by monitoring accuracy, with 20 different exercise modes that monitor your heart rate data in real-time during exercise.Embrace the future of smart wearables with the R02 Smart Ring – a perfect blend of innovation, style, and health consciousness.Specification:Bracelet size diameter (nn) 18.1nm, 18.9, 19.8nn, 20.6nnAPP: QRingCompatible system: (Compatible System) Android5.1 (inclusive) or above, IOS8.0 (inclusive) or aboveBattery capacity: 17mAhCharging method: magnetic chargingMaterial: Stainless steelAPP software functions: Steps, sleep, heart rate, exercise data recording, Health assessment, blood pressure measurement, blood oxygen measurement, Multiple sports modes, photo-takingSupported languages: Arabic, Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, Arabic, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Liyangian, Simplified Chinese, Traditional Chinese, Manifest, English, Dutch, Portuguese, Spanish, Vietnamese, Korean, MalayQuantity: 1