Packaging list: Smart ring, charging cable, manual Material: Aerospace titanium a11oy+epoxy resin Basic function:Heart rate measurement/oximetry/B1ood pressure measurement/Sleep monitoring/Step Count/Calories/NFC Bracelet memory :512kb Bluetooth:5.0 Heart rate sensor :support Step sensor :support Battery capacity :28mAh Standby time :About 4~6 days Charging method :wireless charge Waterproof Level :IP68 APP : Google: JSRings, ISO: JSRing APP supports languages:English, French, Spanish, Portuguese, Italian, German, Dutch, Japanese, Czech, Arabic, Danish, Romanian, Chinese, Türkiye, Persian Ring size:19mm 20mm 21mm 22mm(Refer to international standard size codes for corresponding models)

Quick charging smart ring: 2-hour wireless charging, 5-day standby, packaging includes smart ring, standard charging cable, and manual. pedometer ring: always follow the pedometer and monitor the movement status. Waterproof smart ring: IP68 waterproof grade, worry free to wear in daily life. Fashion Smart Ring: With a stylish design, it features an epoxy resin shell and a titanium alloy inner ring for more accurate monitoring. Intelligent monitoring ring: heart rate monitoring, blood oxygen monitoring, blood pressure monitoring, sleep monitoring, real-time data update, comprehensive monitoring of your health.