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 should have read more carefully and bought a rechargeable battery version. Programming this to easily start on your favourite program is frustrating at first but achievable with patience. It isn't the easy system I had previously with my Tivoli Cube radio but it does the job in its way.