Basic parameters
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Product Model: Q520
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Main control chip: NORDIC NRF52832
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Charging chip: Siyuan SY8602
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Acceleration sensor: STK8321
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Wear detection: Capacitive induction + photoelectric detection
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PPG sensor: Goodix 3228T + 2 × SFH2703
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ECG sensor: Goodix 3228T
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Temperature sensor: Goodix 3228T + high-precision NTC resistor
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Compatible system: Android 6 and above, iOS 11 and above
Features or selling points
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Electrocardiogram detection, AI heart health analysis, accurate heart rate detection, true blood oxygen detection, body temperature detection, blood pressure detection, sleep monitoring, non‑invasive blood sugar detection
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Includes 24‑hour health monitoring and APP active detection
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Activity information data: step / calorie / distance counting
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Multi‑exercise modes: running, cycling, skipping rope, fitness, and more
Connection parameters
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Bluetooth version: 5.3 BLE (low power consumption)
Other parameters
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Battery type: High‑density polymer lithium battery
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Battery capacity: 18 mAh
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Charging method: Magnetic charging + portable charging bin (short circuit protection)
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Endurance: 4–6 days of use, 30+ days standby
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Control method: Mobile APP control
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Appearance material:
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Shell: Metal 304 stainless steel (no embroidery)
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Inner circle: High‑density environmentally friendly curing adhesive
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Product color: All light black
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Ring sizes: 8 inches, 9 inches, 10 inches, 11 inches
Packing
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Packaging list: Ring, charging cable, user manual, packaging box
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Packaging information:
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Outer box size: 235 × 481 × 305 mm
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Color box size: 109.8 × 93.1 × 28 mm
Box gauge: 100 pcs / box
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Managed care
ECG Detection| Heart Rate | Blood Oxygen | Blood PressureBlood Glucose | Body Temperature | SleepAutomatic Health Monitoring Data
Sports vitalityRunning | Cycling | Skipping Rope | Fitness and MoreStep Counting | Calories | DistanceAutomatic Activity Monitoring Data
