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The HealthTree Fingertip Pulse Oximeter offers fast, accurate SpO2 and heart rate monitoring with a bright OLED display. Compact and lightweight, it includes a detachable lanyard and 2 AAA batteries for up to 30 hours of use. Designed for ease and portability, it auto powers off to conserve energy, making it an essential tool for proactive health management.


















| ASIN | B08QFK6QV3 |
| Are batteries included? | Yes |
| Battery Life | 30 Hours |
| Best Sellers Rank | #1,271 in Health & Household ( See Top 100 in Health & Household ) #2 in Athletic & Aviation Pulse Oximeters |
| Brand | HealthTree |
| Brand Name | HealthTree |
| Color | gray |
| Customer Reviews | 4.6 out of 5 stars 10,932 Reviews |
| Included Components | ITEM |
| Item Dimensions L x W x H | 2.5"L x 1.35"W x 1.25"H |
| Manufacturer | HealthTree |
| Manufacturer Contact Information | SEE USER MANUAL |
| Measurement Accuracy | +/-2% |
| Measuring Range | 70% - 100% SpO2 |
| Model Name | JKS50B |
| Model Number | JKS50B |
| Number of Batteries | 2 AAA batteries required. (included) |
| Part Number | HealthTree |
| Unit Count | 1.0 Count |
M**C
This is an excellent Pulse Oximeter for a self monitoring system.
This is an excellent product for anyone who may have to monitor their blood oxygen levels. It has been a great companion for me after a major surgery that made it necessary to monitor myself several times a day. It is precise and easy to use. You can wear it around your neck if you have to constantly monitor yourself. 7 month and I haven't had any issues with the battery life. I haven't had any problems reading the numbers they are large enough to read. It is an excellent product for the money. It is muti functional.
G**O
Reliable Pulse Oximeter for Everyday use.
This pulse oximeter is a great, reliable device for quick oxygen saturation and pulse readings. It’s very easy to use—just clip it on your finger and within seconds you get accurate results. The display is clear and bright, making it easy to read even in low light. It’s compact and lightweight, so it’s perfect to carry in a bag or keep at home for regular monitoring. Battery life is good, and it feels well-made for the price. Overall, a dependable and affordable tool—especially helpful for keeping track of your health at home. 💙
P**M
Quality Pulse Ox monitor
I am extremely impressed with this Fingertip Pulse Oximeter. From the moment I took it out of the box, it felt solid, well-made, and clearly designed to last. The build quality is excellent—sturdy without being bulky—and it doesn’t feel like a flimsy or disposable device at all. The readings are fast and easy to understand. Within seconds, it provides clear and accurate blood oxygen saturation (SpO₂) and heart rate measurements, displayed on a bright, easy-to-read screen. The numbers are large, crisp, and visible even in low light, which is a huge plus. It’s also very simple to use—just clip it on your finger and you’re good to go, no complicated setup or calibration required. I’ve used this oximeter repeatedly, and the results are consistent and reliable every time. It’s lightweight and portable, making it perfect for home use, travel, or keeping in a gym bag or first-aid kit. Battery life has been excellent so far, with no noticeable drain after regular use. Overall, this is an outstanding pulse oximeter that combines accuracy, durability, and ease of use. It feels like a professional-grade device at a very reasonable price, and I would absolutely recommend it to anyone looking for a dependable oxygen and heart rate monitor.
K**R
Great oximeter
Works good and is accurate. Good value for what you pay. Easy to read display
L**E
Its decent
I needed a pulse oximeter for school and was trying to stay within a small budget, so this ended up being a good value for me. It came with backup batteries, which was nice because I could use it right away without buying extras. It works as expected with an easy-to-read display and has been accurate when compared with others I’ve used. It does feel a little cheaply made, but honestly it has lasted me about a year already and I’ll probably keep using it until it quits working. It also comes with an attachable strap if that’s something you prefer.
A**Z
Very good
A very good product. It is small, lightweight, and super easy to use: you simply place it on your finger, and within seconds, it gives you a reading. The display is clear and is easy to read, even in low-light conditions. I have used it several times, and the measurements seem quite accurate. It is ideal to have at home, especially for older adults or for general health monitoring. The battery lasts a good while, and I haven't had any issues so far. I highly recommend it for its quality and great price.
R**A
Easy to Use and Fast Readings
I really liked this pulse oximeter because it’s very simple to use and provides results quickly. The OLED screen is clear and easy to read, and within just a few seconds it displays oxygen saturation and heart rate. I also liked that it includes batteries and a lanyard, so it’s ready to use right out of the box. It’s convenient to keep at home, take while traveling, or use during physical activities. Very happy with this purchase.
D**A
Great device to have in my first aid kit
I had to replace an oximeter I got since the pandemic onset, so I saw the one sold by HealthTree and decided to order it. Its size and light weight make it easy to carry this device with you, whether you travel away from home frequently or seldomly. In my case, it’s important to have a reliable device to keep track of these two metrics. I like it’s very easy to operate and the auto shut-off feature becomes handy to ensure batteries last long enough. I contemplate this is a must-have for every first aid kit at home.
N**A
Good product
Easy to use; does the job.
A**I
Funziona benissimo
Ottimo provato e riprovato, oltre alla saturazione dà i battiti cardiaci
B**E
Value for money
Works so well
M**A
Bueno y bien de precio
Buen pulsiometro,funciona a la perfección con el paso del tiempo
L**.
Teuer aber relativ genau und gute Ablesbarkeit
Zum Vergleich mit Brustgurt und anderen Geräten ist die Genauigkeit gegeben. Anwendung sehr einfach und man kann die Zahlen sehr gut ablesen.
Trustpilot
1 week ago
5 days ago