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Emerhome Upgrade Smart Ring
Ultra-thin and comfortable smart ring that tracks multiple health metrics with no subscription fees.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Check Price on Amazon⚡ No monthly subscription fee listed
⚡⚡ Specification Summary: Emerhome Upgrade Smart Ring
⚡ Specification Summary: Emerhome Upgrade Smart Ring
Emerhome Upgrade Smart Ring offers a subscription-free hardware setup with $0 ongoing monthly software fees. Published specifications list up to 7-day battery life, Metal, and 3g weight.
📋 Key Takeaways:
- ✓Rated Battery Life: Up to 7 days per charge cycle (80-minute full recharge).
- ✓Monthly Subscription: $0/month ($129.00 3-year total).
- ✓Durability & Sizing: Waterproof water resistance with 11 sizing options.
Ultra-thin and comfortable smart ring that tracks multiple health metrics with no subscription fees.
Check manufacturer sizing guidelines prior to ordering.
Advantages & Pros
- ✓Affordable price
- ✓No subscription fees
- ✓Compact and comfortable design
Limitations & Cons
- ✕Battery life is short
- ✕App reliability issues
- ✕Inaccurate sensors
Form Factor & Resilience
| Materials | Metal |
| Width / Thickness | 8mm wide / 2.8mm thick |
| Weight | 3g |
| Water Resistance | Waterproof |
| Size Range | 11 |
| Sizing Kit Offered | ✕ No |
Power Architecture
| Battery Life | Up to 7 days |
| Charging Time | minutes |
| Charger Type | |
| Charging Case Included | ✕ No |
Sensor Array & Biometrics
| Built-in Sensors | Heart Rate Monitor, Sleep Monitor, Blood Oxygen, Steps |
| LED Optical Colors | Green LED, Red LED, Infrared Sensor |
| Stress Tracking | ✕ No |
| Cycle Prediction | ✕ No |
| Sleep Metrics | Sleep Quality, Falling Asleep Duration |
Software & Ecosystem
| Companion App | Emerhome App |
| Supported OS | iOS & Android |
| Apple Health Link | ✕ No |
| Google Connect Link | ✕ No |
| Offline Storage | Up to days |
| Bluetooth version | Bluetooth 5.0 |
Virtual Sizing Assistant
Convert your finger circumference to a standard US ring size. Smart ring brands may size differently from jewelers, so confirm with the manufacturer's sizing guide or sizing kit before buying.
Your Standard US Ring Size
Smart ring sizes vary by brand and model. Use this as a starting point and confirm your size with the manufacturer's sizing guide or sizing kit before ordering.
Sizing Decision Matrix (24-Hour Sizing Kit Rule)
Learn how to bypass sizing mismatches. Under the 24-Hour Sizing Kit Rule, users must wear a plastic sizing ring for a full day to capture natural biometric swelling cycles.
Do you own or have access to an official vendor sizing kit?
Frequently Asked Questions: Emerhome Upgrade Smart Ring
Does the Emerhome Upgrade Smart Ring require a monthly subscription?
No. The Emerhome Upgrade Smart Ring is subscription-free ($0/month), so its 3-year total cost remains equal to its $129 hardware MSRP.
How long does the Emerhome Upgrade Smart Ring battery last?
Manufacturer specifications rate the Emerhome Upgrade Smart Ring for up to 7 days per charge, with a full recharge time of approximately 80 minutes.
What are the Emerhome Upgrade Smart Ring dimensions and water resistance?
The Emerhome Upgrade Smart Ring weighs 3g, measures 8mm wide by 2.8mm thick, is constructed from Metal, and is rated for Waterproof.