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NJYUAN R8 Heart Rate Multi Sport Mode Track Smart Ring
🖥️ Master chip: NORDIC NRF52832-CIAA
🔋 Charging chip: Siyuan SY8602
📉 Accelerometer: QMA6100P
🔋 Battery: 23mAh, 3.7/4.2V lithium batteryOriginal price was: $59.99.$39.99Current price is: $39.99.