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Using the Thermometer
1.    Plug the thermometer into your smartphone, either directly or using one of the included adapter tips.
2.    Hold the thermometer up to your forehead  to take a measurement.
3.    If you need to switch between °F/°C, using a  paper clip, press and hold the °F/°C Unit
Switch button until it beeps.  

Easy To Use
LED Display
F° \ C° Conversion
Compatible With all Phone Types
Converters Included:
USB-C, Micro USB, 8-PIN