The question is like that:
16. Below is a list of battery features that you can have on a smartphone. Please classify them into one of the 5 categories based on how you think about each feature for your next smartphone. Please drag each specification to the right bucket.
[ALLOW RESPONDENTS TO DRAG EACH ANSWER TO ONE BUCKET]
1. Don’t know/don’t care
2. Not needed
3. Expect to come with the smartphone
4. Nice to have
5. Must have and will pay a premium
1. Fully charges a smartphone up to 4X faster than conventional charging
2. Charges phones wirelessly without using a cable connection
3. Can last the whole day without changing my phone usage/setting
4. Resistance to water
5. Removable battery
in free format question form, how to achieve this function.