SARUNN ER Smart Ring
Available Options
A smart ring that provides comprehensive health monitoring including sleep tracking, heart rate measurement, and step counting. Features IP68 waterproof rating for water resistance up to 90 meters depth, compatibility with both iOS and Android devices, and no subscription fees for app access. Offers various battery life options and comes with different material and color variations.
Features
- Sleep monitoring
- Heart rate tracking
- IP68 waterproof
- No subscription fee
- Step counting
Product details
General specs
- Brand: SARUNN ER
- OS Compatibility: Android, iOS
- Water Resistance: IP68
Starting from $22.80
Last price update: 11/9/25
Comparison with similar products
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|---|---|---|---|---|---|---|
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Smart Health Ring Heart rate monitoring
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Smart Ring Health Tracker Comprehensive real-time health monitoring
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Smart Ring 24/7 Health Insights
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|
| Brand | SARUNN ER | Aichiken | Generic | HitTopss | Aichiken | Rugsoul |
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| Price | $22.80 | $65.99 | $29.99 | $29.99 | $65.99 | $69.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.62 x 3.62 x 1.22 inches | 3 x 3 x 1 inches | 3.07 x 2.91 x 1.73 inches | 3 x 3 x 1 inches | 1.57 x 1.18 x 0.79 inches | |
| item_weight | 3.2 ounces | 2.39 ounces | 2.89 ounces | 2.39 ounces | 1 Ounces | |
| batteries | 1 A batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Ion batteries required. (included) | 3 AAA batteries required. | |
| standing_screen_display_size | 0.1 Inches | 1 Centimeters | 0.2 Inches | |||
| memory_storage_capacity | 4 MB | 64 MB | 4 MB | 64 MB | ||
| country_of_origin | China | China | China | China | ||
| date_first_available | April 2, 2025 | April 21, 2025 | December 25, 2024 | February 28, 2025 | ||