

⏱️ Stay ahead of your health game with lightning-fast, reliable pulse oximetry!
The HealthTree Fingertip Pulse Oximeter delivers precise SpO2 and heart rate readings in just 10 seconds via a clear OLED display. Powered by included AAA batteries with up to 30 hours of use, its compact, lightweight design and detachable lanyard make it perfect for busy professionals who value quick, on-the-go health monitoring. Auto power-off enhances battery efficiency, ensuring this device is always ready when you need it.











| ASIN | B08QFK6QV3 |
| ASIN | B08QFK6QV3 |
| Are batteries included? | Yes |
| Batteries | 2 AAA batteries required. (included) |
| Battery Life | 30 Hours |
| Best Sellers Rank | #1,307 in Health & Household ( See Top 100 in Health & Household ) #3 in Athletic & Aviation Pulse Oximeters |
| Brand Name | HealthTree |
| Color | gray |
| Customer Reviews | 4.5 4.5 out of 5 stars (9,816) |
| Date First Available | September 1, 2021 |
| Included Components | ITEM |
| Item Dimensions L x W x H | 2.25"L x 1.2"W x 1.25"H |
| Item model number | JKS50B |
| Manufacturer | HealthTree |
| Manufacturer | HealthTree |
| Manufacturer Contact Information | SEE USER MANUAL |
| Measuring Range | SpO2,PR,PI |
| Model Name | JKS50B |
| Model Number | JKS50B |
| Number of Batteries | 2 AAA batteries required. (included) |
| Part Number | HealthTree |
| Product Dimensions | 2.25 x 1.2 x 1.25 inches; 2.4 ounces |
| Unit Count | 1.0 Count |
S**D
Nice.
Easy to assemble, power on, use and read. Decent value. Concerns include that if the unit is too tight around your finger, it will cause inaccurate, overly high readings. Position your finger directly in the center of the oximeter.
C**T
Works well and registers fast.
I checked this one against the hospital's and it read the same so you get a practical machine at a good price.
C**T
Reliability
Easy to use and reliable
S**E
Cool and possibly invaluable health item.
This is a really cool little item. Didn't even know they existed. A friend of mine who had respiratory problems told me how invaluable his was to him. So I ordered one. 10 bucks - big deal! Simple, easy to use, stick it on your finger and press the button. I found that my oxygen levels were always 98-99%, heart rate good, and my Perfusion Index was normal for my age. Being a life-long smoker (age 71) I found this encouraging. (Don't ever start smoking though - bad life choice.) I was so impressed I ordered one each for my two employees and both my sons. In my opinion, it's just something that you should check periodically - daily, weekly, monthly - whatever. It may just give you an excellent heads up before you realize your problem is too serious. Highly recommend.
C**R
Oxygen sensor for finger
Value of money , functionality, Ease of use and readability
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.
C**K
Works well, don't spent more money on more expensive units.
We were going to return. Thought it wasn't working correctly. Took to the doctor and compared it to theirs. It works fine. It's my own health problem.
J**A
Fingertip oximeter
It is a little less accurate than the dr but very helpful as s screening
A**I
Ottimo provato e riprovato, oltre alla saturazione dà i battiti cardiaci
B**E
Works so well
M**A
Buen pulsiometro,funciona a la perfección con el paso del tiempo
L**.
Zum Vergleich mit Brustgurt und anderen Geräten ist die Genauigkeit gegeben. Anwendung sehr einfach und man kann die Zahlen sehr gut ablesen.
E**S
Cet oxymètre de pouls est parfait ! Il est facile à utiliser, très rapide, et donne des mesures précises en quelques secondes. L’écran est bien lisible, même dans des conditions de faible éclairage, et les chiffres sont grands, ce qui est pratique. L’appareil est compact et léger, idéal pour être emporté partout. La précision des mesures est comparable à celle d'équipements professionnels. Un excellent rapport qualité-prix pour ceux qui veulent surveiller leur santé de manière fiable à domicile ! Je recommande sans hésiter !
Trustpilot
2 weeks ago
2 weeks ago