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R11 Gold blood oxygen saturation measurement sleep & heart rate monitor health tracker ring Elegant 7 day battery 5ATM waterproof Intelligent ring

Name: R11 Gold blood oxygen saturation measurement sleep & heart rate monitor health tracker ring Elegant 7 day battery 5ATM waterproof Intelligent ring
Price: 15.99 USD
Availability: InStock

$15.99

~~$19.99~~

Sale

Color Gold Silver Black

Size 8# 18.1mm 9# 18.9mm 10# 19.8mm 11# 20.6mm 12# 21.6mm

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R11 Gold blood oxygen saturation measurement sleep & heart rate monitor health tracker ring Elegant 7 day battery 5ATM waterproof Intelligent ring

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