Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: Clipped it onto my key chain. Top came off first time I went out. Lost the container with four new batteries inside. I would not purchase this item again or recommend it. BTW: This is my first negative review, but I expect product to be what it says.

I would not purchase this item again or recommend it. BTW