This popular deal is back and they have over 10 available as of posting:
https://www.ebay.com/itm/ASUS-Blu…327410851
Specifications:
https://www.asus.com/us/Home-Ente…d-TV500BG/
Amazon has it for $20 from 3rd parties. Reviews -4/5 of 23 reviews
Android Police just mentioned that this is brand new store by Asus. Thats why ebay seller feedback of 12.
Other details:
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Could use it as NVIDIA Shield Controller.
Works with PC or any other BT device