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.
Comes with a shaver plug for the charger, this is not mentioned in the description and for many people will require them to purchase an adaptor. I wouldn't have purchased if I had known this. By the way, a shaver adaptor plug for the UK is £5.00 on Amazon, but less than £2.00 at your local supermarket.