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Item specifics
  • Item Type: Blood Pressure
  • Material: ABS
  • Model Number: RPO-50D
  • Application: Finger
  • Size: Small
  • Brand Name: carejoy
  • Commodity Quality Certification: CE
  • Place of Origin: Beijing, China (Mainland)
  • is_customized: Yes
Product Description





We will carefully test every item before shipment.




The quality is guaranteed!


OLED Fingertip Pulse Oximeter
To my dear customers,
Welcome to our shop!As this is my initial business on Aliexpress,your cooperation means a lot to me.We aim  to provide the best service to our customer, please feel feel free to contact me if there is any thing I could help.
The fingertip pulse oximeter is registered on the Australian Register of Therapeutic Goods (ARTG) with the code 136606, and certified by FDA of United States and CE, TUV of Europe.
Please kindly note that if you don`t mention which color you prefer to choose when pay for it, we will send the pulse oximeter at a casual color
 1. Principle of measurement:
Photoelectric Ox hemoglobin Inspection Technology is adopted in accordance with Capacity Pulse Scanning & Recording Technology, so that two beams of different wavelength of lights can be focus onto human nail tip through perspective clamp finger-type sensor. Then measured signal can be obtained by a photosensitive element, information acquired through which will be shown on screen through treatment in electronic circuits and microprocessor.
2. Features:
  • Measure SpO2 and PR accurately

  • Color OLED display SpO2 and PR, Pulse waveform and bargraph display

  • High brightness full color OLED can be used even in dark night

  • Four viewing angles and six display modes

  • Four levels adjustable brightness

  • Low battery voltage indicator

  • Automatic power off when signal is not available for 4 seconds

  • 2 AAA batteries support 30 hours continuously

  • Mini size, light weight, convenient to carry

  • Widely used in hospital, home healthcare, oxygen bar, community medical centre, alpine area, sports healthcare etc.

3. Specification:


64K color OLED
Measurement range: 35~99%
Resolution: 1%
Accuracy: 2% (70%~99%), unspecified (<70%)
Pulse rate
Measurement range: 30~255 bpm
Resolution: 1%
Accuracy: 2bpm or 2% (select larger)
1.5V (AAA size)
alkaline battery x 2
Supply voltage: 2.6~3.6V
Working current
Interference resistance against ambient light
Deviation between SpO2 in nature indoor lighting condition and in dark room is less than 1%
Dimension & Weight
57 (L)  31(W)  32(H) mm
50g (with batteries)


4. Packing list
Main unit, hanging rope, black case, user manual








1. Items will be shipped within 1-3 business days after we verify your payment.

2. Please tell me your current address after your payment within 1-2 days; otherwise, we will ship your item based on your Escrow address, so make sure it is correct.

3. Before ordering please contact us to confirm your preferred shipment method. Normally, it takes 7-20 business days for arrival by Air Mail, and takes 3-10 business days by Express.

4. Sometimes it would be longer because of the bad weather, a waste of time in customs clearance. Thus please wait patiently when you do not receive your item on time. If you don\'t receive the item within thirty days, please contact us, and then I will help you track it.



1.We accept alipay here.

2.All major credit cards are accepted through secure payment processor ESCROW.


Vip Service:

Q.How to become Our VIP customers? 

A: 10 orders in our store every month or amount of transactions can reach to 1000$ monthly too

If you are a VIP customer in our store,you can enjoy the service below: 

1. Discount, you can get 2% off every time,except the specials

2. No watermark pictures:You can get the  pictures of all the items in the store without our logos and watermark

3. Dropshipping :We can support dropshipping without information on the packages

4. Act as a purchasing agent:we can help you buy the other goods in China.


Return Policy:

 Only defective product will be offered exchange.

Defective products must be returned within 30 days from the date you placed your order.

It may take up to 7 business days to process your return after we receive your product.The buyer is responsible for all further shipping fees.



1.  we succeed depending on your satisfaction. Therefore, your feedback is extremely important to us.

2.  If you are satisfied our items, please leave us your positive feedback(Five Star).

3.  If you have any question for the products you received, please contact us in time and we will try our best to solve the problems and make you satisfied.


Thank you for ordering and hope you like your purchase here.You comment is very important in our business success. If you are satisfied with your purchase and our total service,pls take a minute to leave us a positive feedback with an overall Detailed Selling Rating(DSR) of 5, Thank you!!!


Pls feel free to contact me if you have any questions,I\'ll be at your service anytime.Have a nice day!!!


Best Regards,

Packaging Details
  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 20cm x 10cm x 5cm (7.87in x 3.94in x 1.97in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.1kg (0.22lb.)
  • Package Size: 20cm x 10cm x 5cm (7.87in x 3.94in x 1.97in)
We support the following payment methods. All payments made on AliExpress are processed by Alipay.