Name: Healthtree JKS50B Pulse Oximeter Fingertip - Blood Oxygen monitor Fingertip with Signal Strength, Fast 5-8s Reading, Large OLED Display, SpO2 &amp; Heart Rate monitor for Home, Sports, Travel (Includes Batteries &amp; Lanyard)
SKU: 9174
Availability: InStock

Price: $9.99
(as of May 07, 2026 20:32:05 UTC – Details)

Product description

HealthTree Fingertip Pulse Oximeter

Text reads 'Easy-to-Read Display', 'Large', 'Pulse Rate'. Digital medical device display showing pulse rate readings with blue backlight illumination.

pulse oximeter Battery Installation Diagram Horizontal composite showing multiple hands interacting with a camera device, demonstrating various grips and operation methods against urban background settings.
1 Usage Steps

2 Battery Installation way

3 Lanyard Installation Way

PULSE OXIMETER

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. How to Use the Pulse Oximeter Merchant Video

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Customer Reviews

4.6 out of 5 stars 10,713

4.5 out of 5 stars 12,217

4.5 out of 5 stars 296

4.1 out of 5 stars 192

4.4 out of 5 stars 3,261

Price

$9.99$9.99

$23.95$23.95

$99.00$99.00

$9.99$9.99

Measurement range

SpO2/PR/PI

Monitor blood pressure / Pulse

SpO2/PR/PI

Recommended Age

>12 Years Old

Adults

>12 Years Old

Memory function

✘

✔

With APP

✘

✔

✘

✔

Power supply method

By batterie or Type-C charging

Type-C charging

Is there an sound alarm function?

NO, the device will not send out an audible alarm, only the text flashes an alarm,.

Can baby use this product?

No. This Finger Size not suitable for children.

Why oximeter reading will changing when I measure?

Because our measurements are continuous, the data is dynamically changing. (Please keep your body still while measuring for more accurate results.)

Why measurement value will flickering?

Pls don’t worry，this is our text flashing alarm function.

Why it did not work. When I change new batteries still did not work？

If you encounter this situation, please check whether the positive and negative terminals of the battery are installed correctly.

Product Dimensions ‏ : ‎ 2.25 x 1.2 x 1.25 inches; 2.4 ounces
Item model number ‏ : ‎ JKS50B
Batteries ‏ : ‎ 2 AAA batteries required. (included)
Date First Available ‏ : ‎ September 1, 2021
Manufacturer ‏ : ‎ HealthTree
ASIN ‏ : ‎ B08QFK6QV3
Best Sellers Rank: #2,607 in Health & Household (See Top 100 in Health & Household) #3 in Athletic & Aviation Pulse Oximeters
Customer Reviews: 4.6 4.6 out of 5 stars (10,713) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

ACCURATE & FAST READINGS: Delivers precise SpO2 (blood oxygen saturation) and pulse rate measurements within 5-8 seconds with ±2% accuracy. Features signal strength indicator and pulse waveform for clear reading indication.
LARGE EASY-TO-READ DISPLAY: Bright screen clearly shows SpO2, pulse rate, and signal strength with large digits. The waveform bar graph provides visual confirmation of pulse strength, making it ideal for adults and users who prefer clear visibility.
PORTABLE & USER-FRIENDLY: Compact, lightweight design fits easily in your pocket or bag. One-button operation makes it simple for anyone to use—just insert your finger and press the button for instant results. Auto power-off preserves battery life.
PERFECT FOR EVERYDAY & OUTDOOR USE: Great for checking oxygen and pulse levels at home, during workouts, hiking, skiing, or high-altitude trips. A practical tool for fitness lovers, outdoor enthusiasts, and anyone who wants to keep an eye on their daily wellness.
COMPLETE PACKAGE INCLUDED: Comes with 1x Pulse Oximeter, 2x AAA Batteries (pre-installed), 1x Lanyard for easy carrying, and 1x Instruction Manual. Ready to use right out of the box—no additional purchases needed.

User Reviews

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