DDJ [4 Pack Ultra -Thin Cover for Samsung Galaxy Ring, Protector for Oura Rings/RingConn Sizing Kit, Anti-Scratch Soft Silicone, Sizing M for Rings 11/12/13/14/15 (White/Black/Pink/Purple)

Oura Ring Gen3 Horizon - Rose Gold - Size 13 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

-36% $349.00

Twievo Smart Ring, Fitness Tracker Ring with Charging Case, IP68 Waterproof, Heart Rate, Blood Oxygen, Sleep Tracker, No App Subscription-Compatible with Android 6.0+ and iOS 11.0 (Black, 10#)

-28% $49.99

Oura Ring Gen3 Heritage - Stealth - Size 8 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

-30% $279.00

PXOEH Smart Ring Health Monitoring Tracker, Heart Rate Sleep Tracker. Stylish and Comfortable, a Variety of Sports Modes, Waterproof for Long-Term wear. Extra Long Standby 7-8 Days.(Silver, 8#)

-4% $65.99

VBAOFOO Smart Ring for Men & Women, Health Tracker Fitness Ring with Heart Rate, Blood Oxygen, Sleep Tracker, Step Counter and IP68 Waterproof & Long Endurance, No APP Subscription (Black,10#)

-7% $36.99

Oura Ring Gen3 Horizon - Rose Gold - Size 8 - Smart Ring - Size First with Oura Ring Gen3 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - 5-7 Days Battery Life

-22% $349.00

Smart Ring Health Ring Smart Rings for Women Men, Fitness Tracker Ring with LED Display Screen (Black, 8)

-11% $79.99

Yarrasonic Smart Ring, Fitness Tracking Smart Ring with Calories Heart Rate Sleep Monitoring Blood Oxygen IP68 Waterproof no APP Subscription (Black, 12)

$79.99

Smart Ring with Screen+Touch Sleep&Fitness Tracking Wearable for Women/Men, Accurate Monitoring of Pedometer, Heart Rate, Blood Oxygen, No Subscription Required with Charging Case (Black, #12)

$39.99

hecere T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring ID/IC Wear for Men or Women(T5577 ID-20MM)

-10% $26.82

hecere T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring ID/IC Wear for Men or Women(Programmed ID-21mm)

$26.82

Gwenland Smart Ring Health Ring - Smart Rings for Women Men, Fitness Tracker Ring with LED Display Screen, Sleep Tracker Ring Compatible with iOS/Android Activity Tracker/Heart Rate/SpO2/Sleep/Step

-11% $79.99

Smart Ring With Screen+Touch Sleep&Fitness Tracking Wearable for Women/Men, Accurate Monitoring of Pedometer, Heart Rate, Blood Oxygen, No subscription required with Charging Case (Silver, #9)

-10% $35.99

AMZAIZO Smart Ring with Screen+Touch Sleep&Fitness Tracking Wearable for Women/Men, Accurate Monitoring of Pedometer, Heart Rate, Blood Oxygen, No Subscription Required with Charging Case (Black, #9)

$39.99

hecere T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring ID/IC Wear for Men or Women(T5577 ID-18MM)

$26.82

hecere T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring ID/IC Wear for Men or Women(T5577 ID-19MM)

$26.82

POBOVi Smart Ring - Sleep/Stress/HR Tracker - Size First with Sizing Kit - Up 5-7 Days Battery Life - Using Wireless Charging Case - No APP Subscription - iOS/Android Compatible (Black, Size 11)

-30% $159.99

hecere T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring ID/IC Wear for Men or Women(T5577 Blank id-17MM)

$26.82

Twievo Smart Ring, Fitness Tracker Ring with Charging Case, IP68 Waterproof, Heart Rate, Blood Oxygen, Sleep Tracker, No App Subscription-Compatible with Android 6.0+ and iOS 11.0 (Silver, 10#)

-28% $49.99

LevyPan Silicone Protector Compatible with Oura Ring Gen 3, Elastic Cover for Men and Women (Yellow, M(9/10/11))

-20% $3.99

HECERE T5577 or UID chip RFID Black Ceramics Smart Finger rewrite Ring 125KHZ/13.56MHZ Wear for Men or Women (T5577 125KHZ-16MM)

$26.82

Gwenland Smart Ring Health Ring - Smart Rings for Women Men, Fitness Tracker Ring with LED Display Screen, Sleep Tracker Ring Compatible with iOS/Android Activity Tracker/Heart Rate/SpO2/Sleep/Step

-11% $79.99

hecere Waterproof Ceramic NFC Ring, NFC Forum Type 2 215 496 Bytes Chip Universal for Mobile Phone, All-Round Sensing Technology Wearable Smart Ring, Wide Surface Fasion Ring(12#)

$30.42

LevyPan Silicone Ring Protector Compatible with Oura Ring Gen 3 and All Smart Ring, Elastic Smart Ring Cover for Men and Women (White, S(6/7/8))

$2.99