Real manufacturer blue tooth finger oximeters home oxygen tester
| Brand|| JN|
| Model Number|| P03-LCD|
| Power Source|| 2*AAA 1.5V alkaline battery|
| operating Current|| 25mA~50mA|
Q: How to turn it on?
A: Please press the button to turn on or setting.One button to operate.
Q: Does product not work properly?
A: Please follow the instructions of the user manual. If it does not work, Please contact us in time, we have professional people to solve the problem for you.
Q: Does this product contain alkaline batteries?
A: Dear friends, China Customs doesn't allow export of battery products, so this product does not contain batteries, Thank you for your understanding. If the batteries is really important for you, we can discuss.
Q: Will it accurately read with acrylic nails?
A: Please note that nail polish and false fingernails may cause false readings.