S1 Smart Ring, 24/7 Health Tracker, Heart Rate Body Blood Oxygen Sleep Monitoring, 5ATM Waterproof, 5-7 Days Battery Life - 8# (Inside Diameter 18.1mm), Black

S1 Smart Ring, 24/7 Health Tracker, Heart Rate Body Blood Oxygen Sleep Monitoring, 5ATM Waterproof, 5-7 Days Battery Life - 8# (Inside Diameter 18.1mm), Black
Other
sku: 525053
size: 7.8*7.8*5.2
$18.99
Shipping from: China
   Description
S1 Smart Ring 8# Black
   Technical Details
Color: Black
   Price history chart & currency exchange rate

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