Circul
Wearable SpO₂ & Pulse Monitoring in Small, Medium, Large & XL
A wearable continuous pulse oximeter ring for recording SpO₂ and pulse trends over extended periods.
Circul Pro is a wearable continuous pulse oximeter ring designed for extended measurement of blood oxygen saturation (SpO₂) and pulse. Its ring form factor supports overnight and longer-duration recording while avoiding the bulk of a traditional fingertip clip. The product is available in Small, Medium, Large, and Extra Large sizes so users can select a secure, comfortable fit.
Pulse oximetry can help clinicians review oxygen and pulse trends across a recording period, but readings are influenced by fit, motion, circulation, and other factors. Follow the manufacturer’s instructions for placement, charging, data collection, cleaning, and interpretation. Circul Pro is a medical monitoring device and should not be represented as a stand-alone diagnosis for sleep apnea or another condition. The Small variant in this catalog has the verified UPC/GTIN 850033422061; identifiers for other sizes are intentionally left blank until verified.
Return requests must be submitted within 14 days of delivery and approved before anything is sent back. Eligible items must be unopened, unused, complete, and factory sealed where applicable. Opened medical devices, oral-contact items, nasal devices, tubing, and other hygiene-sensitive products are final sale. Authorized non-defective returns may be subject to a 20% restocking fee and return shipping costs. Report damaged or defective items within 48 hours of delivery. See the Sleep Balance Academy Shipping & Return Policy for full terms.
Circul Pro records blood oxygen saturation (SpO₂) and pulse data over time.
This product family includes Small, Medium, Large, and Extra Large variants.
The Small variant has the verified UPC/GTIN 850033422061. Other size identifiers are left blank until confirmed.
No. It provides monitoring data that must be interpreted in the appropriate clinical context.
Choose a size that is secure enough for consistent sensor contact without being uncomfortably tight.
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