Medical Finger Pulse Oximeter Blood Oxygen Saturation Oxymeter Meter TFT Finger Clip Heart Rate Monitor Pediatric Health Care


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Why do I need pulse oximeter?

1. To check the health of a person with any condition that affects blood oxygen levels

2. During or after surgery or procedures that use sedation

3. To check a person’s ability to handle increased activity levels

4. To see if a ventilator is needed to help with breathing, or to see how well it’s working

5. To check a person has moments when breathing stops during sleep (sleep apnea)

Why choose us

1.【Accurate and Reliable Detection】

Justlang pulse oximeter equipped the most advanced MCU chip and sensor. blood oxygen signal is collected by photoelectric sensing principle. Only need 8-10 seconds to get measurement results within ± 2%.
With large TFT and backlight display makes it very easy to read.

2.【One Button Operation with Four-Way Rotation】

Justlang pulse oximeter finger is designed with One button control which makes measurement more convenient and easier. The pulse oximeter will power-off automatically without operation in 8 seconds. Short press the setting button to switch the display direction in four directions.

3.【Large and Clear TFT display】

Justlang Pulse Oximeter with Four Colors TFT and Backlight Display makes the result very easy to read.

3.【Compact and Portable】

Justlang pulse oximeter weights around 50 grams, which is tiny, light, and easy to carry. The oximeter that comes with a detachable lanyard is convenient to carry on its own or inside your backpack. Built-in silicone membrane reduces the pressure of the oximeter on the finger when measurement.

4.【Visual Alert When Measuring】

Justlang pulse oximeter comes with the alert function. If SpO2 or pulse rate reading is below or above the preset limit, the device will alert with flash on the screen automatically.

What includes?

1 x Pulse Oximeter, 1x Outer Packing, 1x Lanyard, 1 x Blister box ,1x Instruction Manual, and 1x Certificate of Qualification.

Tips for use

1. Open the clamp.

2. Place your index finger into the pulse oximeter and close the clamp. Note that your finger should touch the bottom portion of the clamp.

3. Turn on the pulse oximeter by pressing the button one time on the front panel.

4. Keep still for an accurate reading.

5. Within about 5-10 seconds, your readings will appear on the screen. You can change the display mode by pressing the power switch. The device automatically powers off after 8 seconds.


Q: What might make pulse oximeter readings less accurate?

Pulse oximeters can have falsely low readings if a person has circulatory issues with poor blood flow to the extremities, such as very cold hands, intrinsic vascular disease or Raynaud’s phenomenon.

In addition, fake nails or certain darkly colored nail polish, such as black or blue, can distort the readings.

So we recommend that people measure at least one finger per hand to confirm the number.

Q: How should I store the oximeter?

1. Keep the oximeter away from dust, vibration, high temperature, moisture, corrosive substances and explosive materials.
2. The oximeter should be kept out of reach of children.
3. If the oximeter gets wet, please stop using it and do not use it until it is dry.
4. Do not use sharp objects on the oximeter.
5. Avoid direct sunlight exposure.

Q: Is the oximeter battery-operated? Are batteries provided?

The oximeters are battery-operated, and This package doesn’t come with 2*AAA batteries.

Other important informations:

1. Shippment

1) The Shipping time for Russia will be 30-50days or longer due to strict local customs inspection.

2) The Shipping time for Brazil will be 50-100days or longer due to strict local customs inspection.

3)Hongkong/Singapore/Spain/France/Netherlands: Shipping by Aliexpress Standard Shipping Costs Around 15-45 business Days,. Diferent country needs diferent time.

2. Customer Service

We will provide service for you to until you are satisfied. we sincerely hope that you can leave us a positive Feedback, for any reason you are not satisfied with your purchase, please feel free to contact us through (My Messages) or (Ask Seller Questions), Trade manager, before leaving neutral or negative feedback. We will do our best to resolve any problem and satisfy your needs.

3. Return/Refund

1) If you have a defective goods, you want to return or discount. Please contact us within 3 days after you receive the shipment. All return goods must be returned with its original packaging and accessories. Customer is responsible for shipping charges on returned goods.

2) We will refund the money to you when we get the returned goods. Or replace goods for you.

3) Sometime Airmail miss some postage, we will refund price and shipping fee when you can not get your goods.

About JustLang

Our mission is to make innovation for better life.

We are a professional household medical instrument manufacturer coverd an area of 30,000 square meters with 12+production lines in 5,000 square meters dust-free workshop, whose daily production capacity over than 80,000 pcs, committed to providing a full range of product services and solution for family health care.


  • Brand Name: Justlang
  • Origin: China
  • Certification: CE
  • Model Number: AD901
  • Size: TFT
  • Application: Finger
  • Item Type: Oximetry
  • Material: ABS
  • Place of Origin: China
  • Product name: Digital Finger Pulse Oximeter
  • Auto power off: 8s
  • Display: TFT Digital Display
  • Power supply: 2*AAA Batteries(Not Include)
  • Color: Black or White
  • Brand Name: JustLang
  • After-sale Service: Return and Replacement
  • 1: Finger oximeter
  • 2: Pulse oximeter
  • 3: pulse oximeter on the finger
  • 4: Tonometer
  • 5: baby health
  • 6: medical
  • 7: finger pulse oximeter
  • 8: Blood pressure monitor
  • 9: oxymeter
  • 10: pulsoksymetr
  • 11: Heart rate monitor
  • 12: Pulse oximeter
  • 13: professional oximeter
  • 14: pediatric oximeter
  • 15: paru oximeter medical
  • 16: Case for multimeter
  • 17: finger oxygen meter
  • 18: digital oximeter for usb rechargeable finger
  • 19: pulsioximetro bluetooth
  • 20: oxygen saturometer

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