The compact AAWireless TWO adapter is exactly what you're looking for. The best wireless Android Auto adapter gets even better and is now cheaper with AAWireless’ Easter discount - Android Authority ...

Enjoy wireless rides with your favorite apps thanks to the Motorola MA1 Google Authorized Wireless Android Auto Adapter, now for just $44.99 (reg. $89.99).

The Mini Wireless Adapter ($59.99, save 20% with code TC20) addresses a simpler but equally important need—effortlessly converting wired CarPlay and Android Auto connections to wireless.

The adapter plugs into your TV's audio out, whether it's a 3.5mm headphone jack or an optical out. Pair your Bluetooth headphones with the adapter, and you're ready to listen.

Available now for $59.99, Ottocast Mini is a wireless Android Auto (and CarPlay) adapter that converts your car’s existing wired connection into a wireless one.