OttoNavi&nbsp;GM0711SR-WSS61NAX GMC 07-11 Sierra [Bose-Ready] Multimedia In Dash Double Din OEM Replacement Car Radio (Black) Direct plug and play installation Free GPS antenna with magnetic base for easy install Supports maximum 64GB SD Card Port and AUX port Compatible with factory steering wheel controls A2DP Bluetooth allows for wireless phone calls and music/audio streaming