I should also add, that I purchased the following case for the HD10: ROISKIN Case (for 2023 HD10, Gen.13) 360 Rotating Kickstand & Hand Strap for $21.99.
Its cut-outs (for On, Vol. mic, etc.) and overall fit are excellent. The case seems to be quite robust in terms of protection. No screen covering/protector comes with the case. But I’ve never needed to use one, with any of my many similar devices over the years.
As a fan of a hand strap and kick-stand for such devices and its aforementioned attributes, this case is a winner!!