What is the first impressions of the box, the plug and the app?
Is the installation process intuitive and the instructions easy to follow?
How is the product's usability?
1 on 1 interviews
Present the test participants with the system and ask them to perform a number of tasks while talking out loud about their experiences.
Instal the app on several, common mobile devices, and go through the most common use-scenarios while looking for issues.
Go through the company's website, the product's boxing, and the app, analyzing its visual and logical design, starting from the concepts of learnability, efficiency, memorability, error recovering, and satisfaction.
User experience mapping
Note down the test participant's satisfaction and comments as they use the product. Then create a map of their experiences using visual cues and signals. The method makes it easy to report on your findings, in a visual (and quick) way.