CONTEC CMS50NA Pulse Oximeter SpO2 and PR Value Waveform Blood Oxygen Neck/Wrist Corda
Best for
Best for hands-free or continuous wear
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$8.11
Updated Jun 27, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the verified-purchase reviewers we read, the CONTEC CMS50NA holds a 4.6 average over roughly 18,000 ratings. Its distinguishing feature is the neck/wrist cord arrangement with a waveform display, which appeals to users who want a more hands-free or longer-wear setup than a clip you must hold in place. The data for this product contains only customer ratings, with no independent labs, expert publishers or specialist-community sources, so the score reflects rating consensus rather than verified accuracy.
What reviewers liked
- Neck/wrist cord design supports more hands-free use
- Includes SpO2, pulse rate and waveform display
- Solid 4.6 average across ~18,000 verified-purchase reviews
Where it falls short
- Specialized form factor less convenient for quick spot checks
- No independent expert or lab testing in the data we reviewed
- Lower review volume and average than the top fingertip picks
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Across the verified-purchase reviewers we read, the CONTEC CMS50NA holds a 4.6 average over roughly 18,000 ratings. Its distinguishing feature is the neck/wrist cord arrangement with a waveform display, which appeals to users who want a more hands-free or longer-wear setup than a clip you must hold in place.
The data for this product contains only customer ratings, with no independent labs, expert publishers or specialist-community sources, so the score reflects rating consensus rather than verified accuracy. The form factor is a tradeoff: helpful for extended wear but more specialized than a standard fingertip clip.
For users who specifically want a corded, wearable-style oximeter, this is the best-supported option in the pool.
- Accurate & Fast Results
- - Measures accurately and quickly spo2(blood oxygen saturation of arterial hemoglobin levels), pulse rate,pulse rate waveform and bar graph TFT display.With rotatable multi directional display.Screen brightness adjustable.
- Portable & Easy To Use
- - The light-weight oxygen monitor is about 50g(with the batteries), you only need to put your finger in the fingertip pulse oximeter testing chamber, the result will be shown.
- Comfortable & Long Battery Life
- -The CONTEC oxygen meter's fingertip clip use silica gel mairal,is soft and easy for a wide range of finger sizes,20-30 hours battery life, automatic power off after 5 seconds.
- Screen is easy to see and read
- -The CONTEC pulse oximeter is intended for sports and aviation use only and is not a medical device. Please note:There's a very thin screen protective film which can be removed before use.
- What's Included
- -The CONTEC pulse oximeter *1,Handy carry pouch*1,1.5V AAA alkaline batterries*2,Long lanyard(Neck/Wrist Cord)*1,User manual*1.
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