GOgroove FlexSMART Sp Advanced Car Mount System with NEW Signal Intensifying FM Transmitter and USB Charging Port - Works For Apple iPhone 3 , 3GS , 4 , 4S / iPod Touch , Classic FM Transmitter that mounts, charges and plays Smartphones and MP3 Players; Includes 4 pre-programmed quick pick station channels and on-board controls for finding the clearest station. PSL technology delivers quality sound and a handy station lock function. The fully-articulating flexible neck makes the SP ideal for any holder position in your vehicle - SIDEWAYS OR UPRIGHT, HORIZONTAL OR VERTICAL; The extended stabilizing DC barrel grip will ensure the unit is secure in your DC outlet when making sharp turns! Wide grip design accommodates even the biggest cases! Allows hands-free calling; make and answer calls by hearing through your car's speakers and talking through the FlexSmart's on-board mic Reverse-lit LCD offers easy station tuning and eliminates ambient light ; 2 USB charging ports allow you to charge two devices simultaneously. Notice: To ensure the best possible charge, use your OEM USB cable to charge your devices Works for all smartphones and MP3 players with a 3.5mm audio port. Cannot support devices greater than 2.80" in width. FREE 3 YEAR WARRANTY, SERVICE AND SUPPORT! Quality Guaranteed