This is a nice upgrade to your MRB3 bluetooth audio unit.
Now you can direct connect an "aux-in" 3.5mm jack for the MRB3 unit.
FEATURES:
Weather proof connector to MRB3 unit.
Flush mount type port with weather proof cap (as pictured).
Includes a 3' foot long harness with USB and shielded 3.5mm (1/8") audio cable.
Features 2 amp USB charging for your device.
NOTE:
USB charging cable in not included.
