inputs.text: excellent product precisely advertised - tempted remove star initially could not get work ready blame documentation fair turned head unit settings fault not reading manual properlyalthough may slight argument inadequacy head units documentationbut back little gemthe paperwork initially appeared sparse quick read revealed adequately covers installation operation device installation also covered head units manual along information settings get work head unit jvc kwavx640 listed compatible unitafter installation realised turn av function set bt settings activate line bluetooth smooth sailing unit looked finished complimented trucks cockpit installed high apillar hopefully direct sun close head thanks lengthy wires provided thought would make better microphone reception interacted flawlessly blackberry bold 9700 telephone functions music streaming voice calling excellent allows handsfree calling anyone phonebook not really miss feature builtin units able display call logs phonebook touchscreens would nice able redial last connected number said not really miss thismy con didnt think worth star fact audio connection 35mm stereo jack thought since compatible jvc head unit rca type line female ports ksbta100s audio wire terminated rca male jacks match not adaptor provided listed compatiblesummary get little gemand enjoy safer telephone use driving adding phone one music source