SARUNN ER Smart Ring: Sleep monitoring
Meet the Smart Ring—your new health-savvy sidekick that plays nice with both iPhone and Android. It's like having a mini health lab on your finger, keeping tabs on your sleep, counting every step (even those midnight fridge raids), and checking your heart rate without asking for a monthly subscription. And guess what? It's IP68 waterproof, so you can take it down to 90 meters. Perfect for those who swim like a fish or just sing in the shower.
Why you'll love it:
- It's like a sleep coach that doesn't judge your 3 AM snack runs
- Packs a punch with health tracking features that actually make sense
- Battery life that lasts longer than your last relationship (okay, maybe not, but it's impressive)
Before you hit 'buy', do yourself a favor—check the size chart and measure your finger. Because a ring that doesn't fit is just a fancy finger bracelet.
- Step counting
- Heart rate tracking
- IP68 waterproof
- No subscription fee
- Sleep monitoring
General specs
- Brand: SARUNN ER
- Seller: Amazon
- package_dimensions: 3.54 x 3.54 x 1.18 inches
- item_weight: 2.56 ounces
- batteries: 1 A batteries required. (included)
- standing_screen_display_size: 0.1 Inches
- date_first_available: May 19, 2025
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Smart Ring Sleep monitoring
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Smart Ring Fitness Tracker Smart Sleep Tracker
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| Brand | SARUNN ER | Duobuy | UXOXU | HitTopss | Tiantianka | SEEKZERO |
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| Price | $15.03 | $50.41 | $25.99 | $29.99 | $69.98 | $129.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 26, 2025 | August 5, 2025 | July 17, 2025 | June 27, 2025 | July 18, 2025 | June 27, 2025 |
| Package Dimensions | 3.62 x 3.62 x 1.26 inches | 3.07 x 2.91 x 1.85 inches | 3.54 x 3.46 x 1.85 inches | |||
| Item Weight | 3.52 ounces | 4 Grams | 3.2 ounces | |||
| Batteries | 1 A batteries required. (included) | 1 CR5 batteries required. (included) | 1 Lithium Polymer batteries required. (included) | |||