| Instructions for Use: |
| 1. Install a pair of AAA batteries into the battery box. |
| 2. Insert your finger into the rubber hole of the oximeter. |
| 3. Put your finger into the test position of the oximeter, and lightly press the button on the panel of the oximeter to automatically test the results within about 8 seconds. |
| 4. When the oximeter is working, do not shake your fingers or move your body. |
| 5. Press the touch button on the panel to adjust the direction of the display interface according to usage habits. |
| 6. If there is no finger inserted, the device will automatically shut down within 8 seconds. |
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