To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Perfect, I added eucalyptus in between branches and have gotten nothing but complements ! Oh there is not a battery. They come with a charger that looks like a phone cord, which saves money on batteries. I would love to buy more of these as soon as I can find a spot to put them.