Lighting Passport from AsenseTek
With the Lighting Passport, AsenseTek has developed a smart spectrometer for the jacket pocket, which can be quickly and easily connected to the iPhone or Android smartphone or other smart devices such as iPad via Bluetooth.
Asenseteks products are unique in its kind. Look for "Asensetek" in the Appstore (iOS) or Playstore (Google Store) and try the free apps for various applications.
You will be amazed.