Kind of not such a great deal without the charging cover. Amazon seems to have none in stock, and there are no 3rd party charging covers.
Interestingly, Amazon still has Oasis 8th gen for sale ($289) with charging cover So only $289 to get a cover, with an Oasis 8th gen for free!
https://smile.amazon.com/Amazon-Kind.../dp/B00REQKWGA