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Finding the right size is one of the most important parts of your Halo Ring experience.

Unlike traditional jewelry, Halo Ring contains advanced sensors that require a secure fit to provide accurate wellness tracking. Your ring should feel snug, but comfortable—tight enough that it won't rotate freely, but loose enough to remove without discomfort.

Should I Size Up?

In most cases, no.

Halo Ring is manufactured using standard US ring sizes, so if you already know your US ring size, we recommend ordering your normal size.

However, because Halo Ring is wider than a traditional ring (approximately 7–8.5mm depending on the model), it may feel slightly tighter than a thin jewelry band.

We recommend sizing up only if:

• You're between two ring sizes.
• You prefer a looser fit.
  
• Your fingers tend to swell throughout the day.

If your normal ring already fits snugly, stick with your usual US size.

Best Finger Placement

For the most accurate readings, we recommend wearing Halo Ring on your:

✅ Index Finger (Recommended)

You can also wear it on your:

• Middle Finger
• Ring Finger
• Thumb (if comfortable)

Avoid wearing Halo Ring on your pinky finger whenever possible, as sensor accuracy may be reduced.

Between Two Sizes?

✔️ Choose the smaller size if:

• You want the most accurate tracking.
• Your fingers rarely swell.
• You prefer a secure fit.

✔️ Choose the larger size if:

• Your fingers swell often.
• You plan to wear Halo Ring all day and overnight.
• You're between sizes.
  

Yes, HALO Ring comes with a USB charging cable included with every order.

We also offer an optional wireless fast charging case, which is recommended for quicker charging and convenient on-the-go use.

Standard 90-Day Warranty (Included)

Every HALO Ring comes with a 90-day warranty that covers manufacturing defects and hardware issues under normal use.

Lifetime Warranty (Optional Upgrade)

Our Lifetime Warranty provides extended peace of mind and covers your HALO Ring beyond the initial 90 days, including protection against defects and functional issues for as long as you own the ring. This option is recommended for long-term wear and daily use.

The HALO Lifetime Warranty provides extended protection beyond the standard 90-day warranty and includes:

• Coverage for manufacturing defects for the lifetime of the product
  
• Hardware malfunctions under normal, intended use
  
• Functional failures related to internal components
  
• Replacement support if the ring stops functioning due to covered issues
  
• Priority warranty assistance through our support team
  

No — HALO Ring does not require a subscription.

All features are included with your purchase, and the HALO app is completely free to use. You’ll have full access to health insights, tracking, and updates with no monthly fees or hidden costs.

You pay once for just the ring and enjoy lifetime access.

Shipping time frames depends on the country you are ordering from. For more in depth shipping times, please click here

SHIPPING TIMES

Want to learn more about how our app works? We’ve created a full guide that walks you through all the features, setup steps, and tips to get the most out of your experience. From syncing your device to customizing your settings, you’ll find everything you need in one place.

Learn More

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At this time, HALO Ring does not accept HFA, FSA, or HSA cards as a form of payment at checkout.

Customers may complete their purchase using a standard credit or debit card. If applicable, you can check with your HSA/FSA provider to see whether your purchase may be eligible for reimbursement under your plan.