• Is the Circular Ring waterproof?

  The Circular Slim is waterproof and is IP68 grade. The ring can be immersed in 5 meters of water for a maximum of 30 minutes. It is not recommended for use in salted water. The Circular Pro ring is water resistant if you received it during and after April 2023. It's suitable for light water exposure like rain, washing your hands or showering. Do not put the ring under water for prolonged time (bath, sea, hammam).Featured

• How to wear your Circular Ring?

  Please read the Circular user guide: https://www.circular.xyz/user-guide You can wear Circular on any finger. It is best to wear Circular on the fingers of your non-dominant hand. Eg: If you are right-handed, wear it on your left hand. The three middle fingers give the most accurate readings. ‍ The flat partFeatured

• How to know my Circular Ring size?

  Please read the sizing page: https://www.circular.xyz/sizing You have the option to receive a sizing kit before delivery to confirm your size. It costs $5. You can get one here. Here is the free Circular sizing guide to be 2D printed: https://www.dropbox.com/sh/a1mscxdry5f6zbl/AAD2qNPribesMqP2vFqs2F9Aa?dl=0 Here is the free Circular rings to be printed 3D printed: https://www.dropbox.com/home/Circular%20-%203D%20Printing%20Sizing%20Rings ||Featured

• How long does the Circular ring battery last?

  The ring has 2 different data modes. Performance mode and Eco mode. Performance mode offers the best monitoring performance; heart metrics will have a high-frequency acquisition. Battery life will be reduced to 2.5 days. Eco mode offers the best battery longevity; heart metrics will have a low-frequency acquisition. You won't have access to sleep stages. Battery life will be up to 8 days. The settings are editable in the “My Ring” menu and your quick accesses.Featured

• Green LED vs Red LED vs Infrared LED

  The ring is equipped with three different LED colors, each serving a specific purpose based on their unique intensity and wavelength properties. Red LED: The red LED is known for its ability to penetrate the skin up to 10 times deeper, resulting in a high fidelity signal. However, it is important to note that the red LED also exhibits a higher signal-to-noise ratio and is more susceptible to motion artifacts. Infrared LED: On the other hand, the infrared LEDs share similar characteristics withFeatured

• Where are Circular's products manufactured?

  The entire design, from conception to final manufactuing is done in France. Our tech development team is also based in France.Featured

• Can I put my Circular Ring into Airplane mode?

  Airplane Mode disables all data transfer from your Circular Ring to your smartphone. It keeps the BLE radio transmission to the minimum to connect to the the app and use the alarms. When Airplane Mode is enabled, your ring will continue to collect and store data. How to Enable Airplane Mode To enable Airplane Mode, make sure that airplane mode is one of the enabled quick access features. If you're not sure, tap the burger icon in the upper left-hand corner of the Home page. Then, click onFeatured

• What are Light Versions of the ring?

  The Lite version is a sub-categorization of the Slim and Pro model, indicating that it is a ring with all the same features as its primary version, but without vibrations (haptic feedback). There are Pro Lite and Slim Light versions. Shipping: Light rings are offered at a lower price and is often delivered more quickly. Find a comparaison chart below: How to purchase your Light ringFeatured

• Connection issue: I can't find / see / connect / reconnect my ring in the app

  In some cases, you may experience ring disconnection issues. In the case that you already connected at least once to your ring: Place your ring on the charger and make sure it has been charged for at least 30 min. Check that your phone's GPS localization & Bluetooth is activated. And check in your phone settings that all app permisssions are allowed for your Circular app. Keep your ring on the charger, go into My ring or Setup Manage my ring, please check that the ring is marPopular

• Can I reboot / reset the Circular Ring? (Soft Reset & Factory Reset)

  You have two ways of rebooting your ring. Soft reset are usually conducted in an attempt to fix malfunctioning bluetooth connection. It will NOT remove your user data stored inside of the ring. Factory reset removes all settings and returns the device to the same state as when it has been shipped from the factory. It will remove your user data stored inside of the ring. place the ring on the charger and remove it. Repeat the action 10 times. You'll feel aPopular

• My Circular Ring is not working anymore / dead

  If your ring is not working properly anymore, we are sorry for the inconvenience and we will assist. Since the ring has multiple functions, it may be possible that a particular function no longer works. For example, the battery, the vibration motor, the PPG led or the charging functions may be one of the default. Please try to list the issues when you contact us as well as the last actions you performed before it stopped working. If the led of your charger does not blink anymore, then the charPopular

• What should I do if my ring does not charge with the Circular charger?

  To charge your Circular ring, place the magnetic contact pins from your Circular ring on the charger’s pins, plug the charger dongle into a USB-C port on your computer or an adaptor on any plug. The led of the charger should blink. Double check if the led blinks for more than 10 seconds. Your ring is fully charged when the led stops blinking. WARNING It can happen that your charger's led is blinking while the ring does not charge because of a wrong contact (only one of the two pins is inPopular

• What is Eco and Performance mode?

  The Circular Ring has different data acquisition modes which have an impact on battery duration. You can select either the Performance mode or the Eco mode. Eco mode will give you up to 8 days of battery. No access to sleep stages and low-frequency heart metrics acquisition. Performance mode will give you up to 2 days of battery. Access to all features and high-frequency heart metrics acquisition. Simply navigate to your quick accesses or your ring's management menu to pick your favoriteFew readers

• I lose battery power very quickly / high battery loss

  Please ensure calibrating your battery correctly by charging it fully up to 100% and for at least 45 minutes. If you don't do this, the battery will display false percentages. Please switch to eco mode if the performance mode consumes too much power for you. Please note that the ring consumes less power between 40% and 0% than between 100 and 40%. To switch to eco mode, please login to your ring and click on My ring data mode eco. As with all electronic products containing lipo batteriesFew readers

• What are the wash & care instructions of the Circular ring?

  In order to clean your ring, use a soft cloth or hand wash with mild soap and water on the cloth. ‍ Keep the ring away from children. Do not leave the ring exposed to heat, such as in a vehicle under the sun. ‍ The changeable Outer-shells may get scratches against harder metal jewelry or other objects in close contact made of harder materials. ‍ Like with all rings made of metals, be careful when handling external batteries while wearing the ring. If the electrodes of a battery are in contact wiFew readers

• My Circular Ring vibrates on its own, unexpectedly or constantly

  If you noticed that your ring is vibrating by itself while you do not have any particular alerts / alarm activated or when not pressing your ring's button, then please follow the steps below. Please check if the problem persists after each of the step. Go to Settings Notifications and turn off all notifications including "High heart rate alert", "Low heart rate alert". For the heart rate alerts, make sure to click on them, turn them off and then press the "Done" button. Go into My RingFew readers

• I have marks on my finger / skin, what is this?

  You may have yellow or brown marks on your finger where the charging pins of the ring lies. This is due to the use of gel and hot water or contact with salted water that rubs off the gold color of the contact pins. These marks are non permanent and will disappear. It occasionnally happens and it easily disappears over time by washing your hands. You may also experience red marks on your skin that are called "irritant contact dermatitisthis" which is a phenomena that can be commun with casuFew readers

• My Circular Ring does not vibrate anymore / Alarm clock is not working

  Your ring won't vibrate under 15% of battery. Please ensure that your ring as more than 15% battery when you want it to vibrate. If you have more than 15% of battery and your Circular Ring is still not vibrating please read this article.Few readers

• What should I do if my Circular Ring gets stuck on my finger?

  In case the ring gets stuck on your finger: 1‍. Push the bottom of your ring towards your finger, it should create a space above your finger, between your finger and your ring. Then pull the ring to tak it out while continuing to press towards your finger. Use cold water and soap or gel and slowly twist the ring to remove it. ‍ Hold your hand up above your heart until the blood pressure lowers and then go thourgh the previous steps again to remove your ring.Few readers

• What does the warranty exclude?

  Please read the full warranty and returns policy: https://www.circular.xyz/warranty-and-returnsFew readers

• Can I charge the Circular Ring on a computer or mobile?

  Yes, you can. The Circular charger has a USB-C port which you can easily plug into a computer, power bank, phone or any device with a female USB-C port. If your computer does not have a USB-C port, our recommendation would be to get yourself a USB-A to USB-C adaptor or a USB-C wall outlet. In the event that your computer is so thin that you have trouble charging your ring, you can also get yourself a Circular USB-C male to female cable in our shop (https://www.circular.xyz/circular-usb-cablFew readers

• My ring does not record data or does not lose battery.

  If you ring has near to 5% of battery, it will stop recording data to save power and avoiding shutting down. If your ring has reached 0% battery, please reconnect your ring to the app. If you don't do it, your ring won't acquire data for the future. If your case does not correspond to these points, please contact the support at support@circular.xyz or website chat.Few readers

• What should I do if I stop wearing my Circular Ring for a bit ? Where should I put the ring ?

  Keep in mind: Storing your Circular Ring for an extended period of time (2+ weeks) without following these steps may affect the longevity of your battery and its performance. If you plan to stop wearing it for a few days, you can place your ring in its original box. If you no longer have it, please store your ring in a temperate place protected from the sun, heat, cold, and humidity and that does not have a reflective surface. If you plan on taking a break from wearing your Circular Ring for aFew readers

• I have an issue with my Circular Outershell. It does not fit my Circular Ring.

  The outershell does not fit my ring The outershell rotates around my ring If you have issues of this kind with your outershells when you receive it please contact the support by sharing a picture and request a replacement. — It may also be possible that your Outer-shells has a peak of metallic material on the side that touches the Circular Ring. If this is the case, we advise you to sand it down or remove it with a scrapping tool, otherwise you risk scratching your ring. PS: We dFew readers

• My ring can't charge more than a certain threshold %

  If you experience an issue with the charging of your ring and you notice that your ring can't charge more than a certain threshold which is always the same, please contact the support at support@circular.xyz or website chat so that we can assist.Few readers

• I broke my Circular Charger, how can I order a new one?

  Circular chargers are compatible with all Circular ring sizes. You can buy one from this page in our shop.Few readers

• Can I polish my Circular Ring?

  You can polish your metalic outer-shell. But not the ring itself! We would be more than happy to see your work on the changeable shells, tag us on socials at @circularing or circularing bemore , we will surely make a shoutout ;)Few readers

• My Circular ring is broken (flange, pins, outershell)

  It's possible that your Circular ring's flanges holding your Outershells may break if you remove your Outershells the wrong way; read this article. It's also possible that your Circular ring's charging pins aren't completely perpendicular. But as long as it's charging, it's not serious; read this article. It's also possible that your OutershFew readers

• How can I find a lost ring?

  If you’ve lost your ring and it has battery remaining, you can use the apps Find My Bluetooth Device on iOS or Wunderfind: Find Lost Device on Android to attempt tracking it down. Otherwise, reach out to our team here so we can assist you with best next steps. There's no need to worry about someone else accessing your data. If someone attempts to conFew readers

• I don't have a USB C port? What should I do?

  The Circular charger has a USB-C port which you can easily plug into a computer, power bank, phone or any device with a female USB-C port. If you don't own one of those, our recommendation would be to get yourself a USB-C to USB-A adaptor or a USB-C wall outlet. Be careful if you use your Circular Ring with a high voltage fast charger for smartphone or computer, you risk damaging it. In the event that your computer is so thin that you have trouble charging your ring, you can also get yourselFew readers

• Can I wear my Circular Ring only at night?

  You can use your Circular Ring only at night for the alarm clock for example. You'll get all the scores. However you may miss out on useful activity data and activity related recommendation that loop into your other scores, and your Circular experience may seem incomplete as a result. We recommend to all Circular members that they wear their rings 24/7 for optimal accuracy and personalization.Few readers

• How to change my Circular Outer-shell?

  If you already own a ring you can buy a new outer-shell here: https://www.circular.xyz/circular-outer-shell The ring is made so that the outer-shell can turn only on one side of the button. Rotate the shell so that it goes over the button. Once this is done you can dislodge it from the ring. Under no circumstances should you ever use force to remove the outer-shell, as this could break theFew readers

• Can I wear my Circular Ring while working out?

  Yes, you can wear your Circular Ring throughout all your workouts and movement routines. Activities are an important part of your Circular scores calculation. However, we don't recommend wearing your Circular Ring while lifting heavy weights, as it may get scratched.Few readers

• My ring has holes or bubbles on the surface

  Your ring may have holes or small bubbles on its surface. These are production injection points. They have no influence on your ring's capabilities. It remains waterproof.Few readers

• My stress score is not working. Why?

  For your stress score to work at its best, you need to be in performance mode. Eco mode doesn't offer enough granularity in data frequency to calculate your stress level. That's why you may have data gaps in eco mode.Few readers

• I have bad accuracy data / readings. What can I do?

  If you feel that you have innacurate readings from your ring while you're doing a live measurements or during a sport session then here is the solution. Firstly verify that readings are accurate if you place your fingertip on the PPG (LEDs) sensor directly. if the readinds are corrects, please follow the next step. Slightly rotate down your ring around your finger so that the sensor is placed on the lower part of the bottom of your finger like the picture below. You must avoid the PPG beFew readers

• I ordered a new ring, what should I do with my old ring?

  Giveaway / resell You can give your ring to a loved one or resell it. Recycle Drop your Circular ring at a local recycling centreFew readers

• Does the Circular ring has an alarm for low battery?

  If the ring is connected to the app, the app will indicate through a phone notification that the ring is low battery. It will also send a phone notification when the ring is fully charged. However the ring can't vibrate to let you know that it's low battery because it would cause a shutdown.Few readers

• I have trouble deactivating alarms vibration with tap

  Circular Slim To turn off the vibration of your ring on a Circular Slim, you need to tap the ring logo that is normally on the top of your finger. You need to tap gently and quickly twice. You don't have to hit hard. Circular Pro To turn off the vibration of your ring on a Circular pro, you have to click on the button of the ring which is normally on the side and reachable by your finger. You have to click t twice in a row.Few readers

• My step counter is innacurate / under or over estimated

  Circular's algorithms are fine-tuned to recognize steps from the rest of your daily movement. Your ring is able to identify step patterns with a high level of precision (95% accuracy) from your finger. However some parameters can cause the result to be distorted: You need to take more than 4 steps in a row in less than 30 sec. Constant vibrations (motorbike, driving, stroller, etc) against the ring can count for extra steps. If you hold someone else's hand or move them very, very little,Few readers