To calculate the overall star rating and percentage breakdown by star, we do not 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.
The best invention ever- 1. Safe - no open flame 2. Harmless - doesn't burn your finger when lighting deep bottle candle container 3. Rechargeable with USB cable 4. Last a long time before next charge 5. It works unlike some lighters