I've tested several Android Auto wireless adapters, and my favorite is on sale for Prime Day
Briefly

Amazon lists the AAWireless Two adapter at a reduced price of $51, making it a great deal. Users have faced issues with previous wireless Android Auto adapters, such as slow pairing and stuttering audio. The AAWireless Two adapter addresses these concerns, costing $65 and requiring a USB-A connection. It features a companion app for modifications and updates, and the pairing process is efficient, indicated by a multifunctional LED button that simplifies operation.
The AAWireless Two adapter costs $65, which is actually cheaper than its predecessor and competing accessories. It connects via USB-A to serve as a wireless receiver.
The pairing process is superior to that of other wireless adapters. The multifunctional button doubles as an LED indicator ring for ease of use.
Read at ZDNET
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