Cf Card Adapter Converter for Mercedes Benz Pcmcia Command System up 2, 4, 8, 16, 32 Gb The adapter is special designed for Mercedes Benz, perfectly compatible with MP3 player based on PCMCIA command system, and supporting 2GB, 4GB, 8GB, 16GB, 32GB CF cards. There's a spring inside the adapter, users just gently pushing the card, the card will popup automatically. Super good quality can compare favorably with the original one. With the card, the adapter perfectly fits your car, no extras expose out. There's a spring inside the adapter, just gently pushing the card, it will pop up automatically. This adapter also can support address books and other files which are based on the PCMCIA Command System.