Product Features
·High fidelity stereo.
·LCD display.
·Output:88.1-107.9MHz,0.1MHz/Step.
·Small electric current, power supply by 3GS.
·2.5 audio input hole : External audio input.
·With car charger, and it can be charged to 3GS.
·Suitable for all iPhone, all ipod and mp3 players.
·Support iPhone hands-free talking through car speaker
Operating Instructions:
·Connect Transmitter to 3GS and select the suitable frequency.
·press on "+" / "-" button to your desired frequency, then adjust your tune radio to the same frequency.
·Plug car charger into cigarette adaptor and connect car charger to FM transmitter then it can be charged to iPhone and transmitter at the same time.
·If make hands-free should be connected to 3.5 to 2.5 audio cable. ( as shown )
Note: If the FM signal is interrupted, please set the frequency of the FM transmitter and the FM tuner to the other frequency.  Product size:42.5*25.5*20mm