WristOx2® Model 3150 with Bluetooth® Low Energy

Wrist-Worn Pulse Oximeter

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WristOx2® Model 3150 with Bluetooth® Low Energy

Wrist-Worn Pulse Oximeter

Featuring Nonin PureSAT® SpO2 technology, the WristOx2 3150 with Bluetooth® Low Energy (BLE) delivers fast, accurate oxygen saturation and pulse rate readings in challenging conditions, including low perfusion and motion. The WristOx2 3150 with BLE is compatible with a wide range of Nonin PureLight® sensors and provides continuous, reliable SpO2 monitoring and data recording. Applications include overnight oximetry studies at home, in the hospital, and in sleep labs.


Wireless Connectivity

Transfer data securely and wirelessly to the NoninConnect app*, available on the Apple Store


Compact Design

Small size wears like a watch, with large display screen and enhanced sensor connector design


Long Battery Life

Operates for 44 hours on two AAA batteries

Exclusive Sensors

WristOx2 sensors are designed exclusively for use with WristOx2 3150 oximeters

Overnight Oximetry Reporting

Available when used with Nonin nVISION® data management software

Secure Data Transfer

Data can be transferred securely to nVISION® via USB connection

Prevent Exposure & Cross-Contamination

Single use accessories are available to limit exposure to infectious agents

Data Verification

Memory Volume Indicator (MVI) Mode provides a graphic display in hours and minutes, verifying that a sufficient amount of data has been recorded during oxygen qualification testing or overnight sleep studies

Two Configurations

Single Unit—Includes sensor of choice and wristband
Starter Kit—Includes sensor of choice, three wristbands, carrying case, USB download cable, and nVISION® software

Enhanced Memory

1,080 hours of non-volatile memory at a four-second sampling rate with additional high resolution variable sampling options of one or two seconds

Proven Durability

Dependable design and construction, backed by an industry leading 3-year warranty

Blog Post
COPD Athlete Runs Boston Marathon

Russell Winwood was diagnosed with chronic obstructive pulmonary disease (COPD), a chronic inflammatory lung disease causing obstructed airflow from the lungs. About a year after his diagnoses, Russell completed his first full Ironman Triathlon race.

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Case Study
WristOx2® Model 3150 Beats VirtuOx VPOD in Hypoxia Testing

The WristOx2 Model 3150 accurately measured 20 out of 21 desaturation events (95.2%).

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White Paper
Managing Oral Appliance Therapy during Treatment for Obstructive Sleep Apnea

Overnight pulse oximetry monitoring is essential in pre-confirming the effectiveness of oral appliance therapy (OAT) for obstructive sleep apnea (OSA) treatment. A pulse oximeter monitors a patient’s heart rate and blood oxygen saturation in arterial blood. Overnight pulse oximetry has been shown to be an effective sleep screening tool used to evaluate the response to OAT.

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Compatible Sensors from Nonin

Nonin pulse oximetry sensors are manufactured using high-quality materials, making them highly durable in a wide variety of patient settings. They feature exclusive technologies and are designed with patient comfort in mind, minimizing potential patient discomfort, which can impact the accuracy of sensor readings. Use Nonin's sensor compatibility tools to discover the best sensor(s) for your patient needs.


  • Description


  • Single-Use Accessories for WristOx, Adult (Box of 15)


  • WristOx Carrying Case


  • WristOx PC USB Interface Cable


  • Adjustable Wristband


  • Single-Use Wristband


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Product Specifications and Resources

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Purchase Info