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.
I bought it for an art project, the visual was astounding! But the sound quality was not the best. Used it for phone calls afterwards and it's not really worth it, if you buy it only for phone calls. For my needs, it suited perfectly!