Cable Matters USB-C dock in good condition.
I have only tested USB-C to USB-A ports, have no reason to think other ports do not work, but I have not tested them.
No warranty, no returns.

My list of non-paying "buyers": http://sites.google.com/site/nonpayingebaybidders sites.google.com/site/nonpayingebaybidders
Please note: handling times increased due to slowness of Ebay's "managed" payments.