Simple setup
The first device should be easy to position and use without a complex protocol.
Beginners usually do best with a device that is easy to position, easy to understand, and realistic to use several times a week. The best first purchase is rarely the most advanced product on the page.
The first device should be easy to position and use without a complex protocol.
Look for distance, wavelength, and usage guidance that normal buyers can understand.
A product that fits your week usually beats a more advanced one that goes unused.
Choose by goal first: SAD, acne, skin, or recovery are not the same buying problem.