Or worse, buying a touchscreen car stereo unit from China, that's basically an Android tablet running on bottom-of-the-barrel hardware, and its Bluetooth headse

Or worse, buying a touchscreen car stereo unit from China, that's basically an Android tablet running on bottom-of-the-barrel hardware, and its Bluetooth headset mode switches to fucking 64 kbit/s CVSD which sounds like an 8 KHz phone line plus added "clipping" sounds from slope overload distortion.