SHENZHEN GREPOW BATTERY CO., LTD Smart Ring - Heart Rate Monitor Sleep & Step Tracker Waterproof No App Subscription

A smart ring with a sleek design and comfortable fit, packing comprehensive health and activity tracking right onto your fingertip: heart rate, steps, calories, sleep, and stress monitoring are all recorded in real time. Crafted from durable, skin-friendly titanium, it offers 7–10 days of battery life, 5ATM water resistance, no subscription required, and works with iPhone and Android. Whether you're seeking a fitness ring to replace your wristband or a smart ring for women/smart rings for men that seamlessly blends everyday style with health tracking, this lightweight ring is the perfect choice for frequent use.