Step into the future of wellness with the YESIDO IO33 Smart Ring—engineered for precision, comfort, and continuous health tracking. Crafted with stainless steel and resin, this smart ring delivers 24-hour detection of key vitals including heart rate and motion activity, all while being waterproof up to 50 meters. Equipped with Bluetooth connectivity and a dedicated Yesido Ring app, you can seamlessly sync your data and take control of your health on the go. Ideal for fitness lovers, wellness enthusiasts, and anyone seeking a discreet and powerful wearable. Specifications Model: IO33 Health Monitoring Smart Ring Chipset: RTL8762ESF Heart Rate Sensor: Vcare VC30F-S 3D Sensor: STK8321 Material: Stainless Steel (SS) + Resin Battery Capacity: • Ring: 15mAh (Size 8/9), 18mAh (Size 10/11/12) • Charging Case: 200mAh Water Resistance: 50M Connection: Bluetooth Compatible App: Yesido Ring Color: Black Key Features 24-Hour Health Monitoring (Heart Rate, Blood Oxygen, Motion) Ultra-Durable & Waterproof Design Bluetooth App Sync for Real-Time Data Control Long-Lasting Battery + Portable Charging Case Elegant, Minimalist Design for All-Day Wear