Smart Bracelet, Subscription-Free 24/7 Health Tracking, Heart Rate, SpO2, HRV & Sleep Tracker with IPX8 Waterproof, Wearable Activity & Fitness Tracker, 7-Day Battery, 2 Bands (Black)
The CCHEEN B8 Smart Bracelet delivers subscription-free, 24/7 health and sleep tracking in a minimalist, distraction-free design. Get heart rate, SpO2, HRV, stress, and sleep insights, plus 12 sport modes, IPX8 water resistance, and up to 7 days of battery life—includes two interchangeable bands (silicone and zinc alloy).