Massive 900mAh Battery Power. 🔹 Battery: 900mAh. 🩸 Blood Oxygen (SpO₂). ⌚ Blackview W90 Pro Outdoor Smart Watch. 🌞 Bright, smooth, and easy to read indoors or outdoors. 🫀 Heart Rate Monitor. 📱 Ultra-sharp466×466 resolution for crystal-clear visuals.
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