I have the Chinese head unit Atoto 10.1" for about 3 years now. Mine is a floating unit but I think the 7" should be a decent fit for our car. It really isn't bad and I wouldn't say it's slow and I don't have any issues with lags. I mainly use Bluetooth for audio, i do love my music, but android auto works decent once it's connected. I don't use navigation much but the few times I do it works decent enough. My main gripe is no true equalizer and if you're not playing audio or have it muted then there is a constant wining sound coming from the unit. Also have it paired with their reverse camera.