This wall charger has GaN technology ensures efficiency by reducing power wastage and heat generation compared to silicon. It features a foldable plug and the package includes a 1-port GaN-tech wall charger, user manual, and Amazon Basics 1-year limited warranty. The price drops from $22.99 to $9.99 when you apply the coupon code "WOOTTECH" at checkout. Shipping is free for prime members, or it adds $6.