It is very good product. Because I live in a place with plenty of sun, I didn't find much difference in my mood, but it is definitely good to fixing the circadian cycle.

It is very good product. Because I live in a place with plenty of sun, I didn't find much difference in my mood, but it is definitely good to fixing the circadian cycle.

It is very good product. Because I live in a place with plenty of sun, I didn't find much difference in my mood, but it is definitely good to fixing the circadian cycle.

It works smoothly and the size is very convenient.

It works smoothly and the size is very convenient.

It works smoothly and the size is very convenient.

good item. it perfectly do its job.

good item. it perfectly do its job.

good item. it perfectly do its job.