Smart Ring Health Tracker, for men and women, equipped with heart rate monitor, sleep tracker, 8 exercise modes, step counter, 5-7 days battery life, no subscription fee, IP68 waterproof R18 (9)

Smart Ring Health Tracker, for men and women, equipped with heart rate monitor, sleep tracker, 8 exercise modes, step counter, 5-7 days battery life, no subscription fee, IP68 waterproof R18 (9)