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R20 SIZE 14 Smart Ring: Heart Rate Monitoring

Smart Ring — Smart Rings

Meet the Smart Ring—your not-so-secret weapon for staying on top of your health game. It’s got all the bells and whistles: tracking your heart rate (because knowing is half the battle), keeping an eye on your blood oxygen levels, and even spying on your sleep (no judgment here). And for those who like to mix it up, it’s got sports modes for running, cycling, yoga, and probably your next impromptu dance-off. Battery life? A solid 3-5 days, so you can forget about nightly charging. Plus, it’s IP68 waterproof, meaning it laughs in the face of sweat and rain. Oh, and with Bluetooth 5.0 and magnetic charging, it’s like the future decided to give you a high-five.

Works with Android 5.1+ and iOS 8.0+, because exclusivity is so last decade. The Smart Health APP speaks multiple languages, making it the polyglot of health apps. And when it arrives at your door, it’s not just a ring—it’s a whole package deal with a charging cable, user manual (for those who read them), and an original retail box (because unboxing is half the fun).

General specs

  • Model: R20 SIZE 14
  • Seller: Sunsky
  • Chipset: AC6323
  • Bluetooth: 5.0
  • Sensor chip: SC7A20H
  • Battery Capacity: 15mAh
  • Battery life: 3-5 days of use, 7-10 days of standby
  • Charging time: About 1-2H
  • Waterproof: IP68
  • Size: Dia 23.4mm, Circumference 73.5mm
  • Charging method: Magnetic charging
  • Compatible system: Android5.1 or above, iOS8.0 or above
  • APP: Smart Health
  • APP support language: English, Simplified Chinese, Traditional Chinese, Russian, Ukrainian, German, French, Italian, Spanish, Portuguese, Polish, Greek, Romanian, Hungarian, Czech, Slovak, Irish, Croatian, Swedish, Danish, Finnish, Arabic, Farsi, Norwegian, Japanese, Korean, Thai, Vietnamese

If you are interested in more details, you can find full information on the seller's page.

$18.00
Last price update: 08/02/25
Out of stock

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Brand
Model R20 SIZE 14 R5 SIZE 10 R5 SIZE 11 R5 SIZE 8 R9 R11
Color
Rating
(10)
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(9)
(4)
(8)
(9)
Price $18.00 $11.19 $11.10 $11.19 $15.72 $20.26
Seller Sunsky Sunsky Sunsky Sunsky Sunsky Sunsky
Update February 8, 2025 December 7, 2024 December 22, 2024 December 7, 2024 December 22, 2024 May 13, 2025
Bluetooth 5.0 5.1 5.1 5.1 5.1 5.2
Battery Capacity 15mAh 18mAh 18mAh 18mAh 18mAh 15mAh
Charging time About 1-2H 0.5H About 1.5H
Waterproof IP68 IP68 IP68 IP68 IP68 5ATM
Size Dia 23.4mm, Circumference 73.5mm Dia 19.9mm; Circumference 62.1mm Dia 20.7mm; Circumference 64.6mm Dia 18.2mm; Circumference 56.9mm Dia 19.8mm, Circumference 62.1mm Dia 21.6mm, Circumference 67.9mm
Charging method Magnetic charging Magnetic charging Wireless charging
Compatible system Android5.1 or above, iOS8.0 or above Android6.0 or above, iOS11.0 or above Android5.1 or above, iOS8.0 or above
APP Smart Health EcTri EcTri EcTri EcTri QRing
CPU Pixart 2860 Pixart 2860 Pixart 2860 Pixart 2860
Heart Rate Sensor HX3605 HX3605 HX3605 HX3605
Working Time 5-7 days 5-7 days 5-7 days
Charging Time 0.5H 0.5H 0.5H
Charging Method Magnetic charging Magnetic charging Magnetic charging
Compatible System Android6.0 or above, iOS11.0 or above Android6.0 or above, iOS11.0 or above Android6.0 or above, iOS11.0 or above
Smart Ring — Smart Rings

Smart Ring

$18.00

Reviews

4.6
(10 reviews)
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Princess
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