This GDS® vehicle dock top cup is designed specifically to support IntelliSkin® Next Generation for both the Samsung Galaxy Tab A 8.4 (2020) and Tab A 8.0 (2019), and uses the universal positioning marker to align and secure your tablet. This top cup is specifically designed to allow access of the 3.5mm headphone jack of the tablet while in the dock. When paired with the proper bottom cup, it can be used to upgrade your existing GDS® vehicle dock. Always Protected. Always Connected.®