New R1 R2 Smart Ring Pedometer Heart Rate Blood Pressure Blood Oxygen Sleep Monitoring Smart Ring
Black 18 inches
$98.26 USD
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New R1 R2 Smart Ring Pedometer Heart Rate Blood Pressure Blood Oxygen Sleep Monitoring Smart Ring
$98.26 USD
Product Details
Master NORDIC NRF52832
Charging chip Siyuan SY8602
Acceleration sensor QMA6100P
Battery 18mAh, 3.7/4.2V lithium battery
