Stream your Music， Charge your Devices， & Take Calls Hands-free!The item is proven to be one of the best all-around car kits on the market， and for good reason. Equipped with Bluetooth 2.1 technology， a USB charging port， a FM tuner， 2 Auxiliary ports (In & Out)， & DC surge protection， it?¨Es ready for anything. Plug in， setup， A LED display hub lets you control your music and take calls with ease.Innovative Design1.Talking in hands free2.LCD display，song name ，track，Calling number display.3.Supports A2DP playback.4.Excellent sound quality with D.S.P solution for echo cancellation.5.Noise suppression(CVC)6.Broadcast music stored up by the automobile through car stereo system7.Support USB disc. SD Card8.Support MP3/WMA music format9.Full duplex，dsp(digial signal processing) technoligy10.21 keys remote controller and steering remote controller11.For oter compatible music devices or your MP3/MP4 players，use the supplied audio line cable to connect from the other devicer's "Line out" to the FM Transmitter"Line in"12.Included in this product is a 3.5mm Adaptor for your MP3/MP4 player or other compatible audio device that have a 3.5mm audio jackWORKS WITH:SmartphoneMotorola Moto X ， Droid RAZR HD ， Ultra ， MAXX HD， M ， Photon Q ， Atrix HDSamsung Galaxy S III ， mini ， S II ， Note 2 & 1 ， Nexus ， Brightside / Galaxy Player 3.6 ， 4.0 ， 4.2 ， 5.0Nokia Lumia 1020 ， 920 ， 900 ， 820 ， 620HTC One Max ， Droid DNA ， 8X ， 8XT ， 8S ， One X ， One X+ ， EVOLG G2 ， Nexus 4 ， Optimus GBlackBerry Z10 ， Q10Sony Xperia Z ， ZLAnd morePackage include :and with track number!Flex Car Kit handsfree Bluetooth FM Transmitter Modulator MP3 Player LCD DisplayRemote Control Unit.3.5mm Audio Cable.