Depending on the model, Voltery Smart Rings can track wellness and fitness signals including heart rate, HRV, sleep, SpO₂ trends, skin temperature trends, daily activity, estimated calories, and recovery.

X1 provides balanced everyday wellness tracking, X2 places greater emphasis on sleep and overnight insights, while X3 focuses on fitness, activity, and recovery tracking.

No. Voltery Smart Rings are consumer wellness and fitness products and are not intended to diagnose, treat, cure, or prevent medical conditions. Consult a qualified healthcare professional regarding medical concerns.

No. Core Voltery app features and insights are included without a required monthly subscription.

If you're unsure, select the free Voltery Sizing Kit. Try different sizes and wear your preferred size throughout the day and overnight before confirming your final ring size.

Your ring should feel secure but comfortable. It should maintain consistent skin contact without feeling excessively tight or rotating freely.

Voltery ring sizes vary by model. Check the individual product page for currently available sizes.

Voltery Smart Rings provide up to 7 days of battery life, depending on the model, usage, syncing frequency, and enabled features.

Place your ring on its compatible Voltery magnetic charging dock or case and connect the charger to an appropriate power source.

Yes. Voltery rings are designed for comfortable overnight wear and can collect sleep and recovery-related information while you rest.

Refer to your specific Voltery model's stated water-resistance rating. Water resistance can diminish over time and does not make the product resistant to all forms of water exposure.

The Voltery app is designed for compatible iOS and Android smartphones. Supported operating-system requirements may change as the app is updated.

Voltery Smart Rings use Bluetooth to synchronize compatible sensor and activity information with the Voltery app.

Your synchronized sleep, activity, heart-rate, HRV, recovery, and other supported wellness information is presented within the Voltery app.

Delivery times depend on your destination and the fulfillment center handling your order. Please see our Shipping Policy for estimated delivery times by region.

Your sizing kit is shipped first. After testing the available sizes, follow the provided instructions to confirm your preferred size so your Voltery Smart Ring can proceed to fulfillment.

Eligible products may be returned according to our Return & Refund Policy. Return eligibility, condition requirements, deadlines, and sizing-kit deductions apply.

Eligible Voltery Smart Rings include a 1-Year Limited Warranty covering qualifying manufacturing defects, subject to the exclusions and claim requirements in our Warranty Policy.

Contact Voltery Customer Support through the contact information provided on our website. Include your order number when contacting us about an existing purchase.

First ensure the ring is charged and properly connected to the Voltery app. If the issue continues, contact Customer Support for troubleshooting and, where applicable, warranty assistance.

Contact Customer Support promptly with your order number and photographs of the item and packaging. We will review the issue and provide the appropriate assistance.

Depending on the services you use, Voltery may process account, order, device, activity, and wellness information, including heart rate, HRV, SpO₂ trends, sleep, temperature trends, and recovery data.

Where required by applicable law, Voltery obtains appropriate consent before collecting or processing sensitive wellness information. Please review our Privacy Policy for complete details.

No. Voltery does not sell your personal health or wellness data.

Depending on your location and applicable privacy laws, you may have rights to access, correct, delete, restrict, or obtain a copy of eligible personal information. Privacy requests can be submitted using the contact details in our Privacy Policy.