Compatible only with Kindle devices that support wireless charging including the Paperwhite Signature Editions (2022 & 2024 releases) and Kindle Colorsoft Signature Edition (2024 release) Wireless charger is not compatible with Kindle, Kindle Paperwhite or Kindle Scribe because these devices do not support wireless charging Keeps your Kindle (sold separately) powered without the hassle of plugging it in Always ready for use, the dock charges your device as soon as you place it inside Portrait mode ensures a perfect fit for your Kindle Paperwhite Signature or Colorsoft Signature Powers your device even with a case (sold separately) up to 4mm thick With 7.5W high-speed charging, your device reaches 100% in as little as 2.5 hours Sleek design complements any space, making it an ideal addition to bedrooms, offices, and more