J-TH is a thermo-hygrometer that plugs into audio jack of your iPhone/iPad.
-Plug and Play! No setup required
-Temperature range from -30 to 70 degree C (-22 to 158 degree F)
-Humidity range from 0% to 100%
-Real-time Temperature and Humidity measurement
-Comfort Information for reference
-Dew Point and Heat Index calculation
-No battery required
How to use:
1. Open "J-TH" app.
2. Firmly plug the J-TH into the audio jack of iPhone/iPad and turn the headphone volume to maximum.The temperature and humidity reading shall be shown in a few seconds.
3. When you finished using J-TH, press "Done", then plug out J-TH from iPhone/iPad.
If the J-TH is not showing the reading, please check the following:
-If the app shows "No J-TH detected" or "No data from J-TH", please manually turn the headphone volume to maximum.
-If the app shows "Cannot access microphone due to privacy setting", then please turn ON the microphone accessibility in privacy setting for "J-TH" app.
-Please make sure "Volume Limit" is turned off in "Settings" of iPhone/iPad.
-For iPhone/iPad purchased in EU, the EU volume limit may apply to devices which means the headphone volume maybe lower, therefore it is not guaranteed that J-TH will work. If there is "EU Volume Limit" in "Settings", please turn it off and try.
If you have any enquiries, please contact
Up to six family members will be able to use this app with Family Sharing enabled.