Suitable for all models The role of this product: New FM transmitter: 1. High-fidelity stereo, using DIGITAL, PLL phase-locked loop technology 2. LCD display frequency, channel selection is more convenient; 3. Applicable to IPad, iPhone (3G), 3.5-port headphone jack and other players 4. Full frequency point transmission (up to 200 frequencies can be selected) 5. With power-off memory, can store the currently playing frequency Output voltage: 5 ± 0.1 Vehicle current: ≤600mA Storage temperature: -20 ° C ~ +50 ° C Working temperature: -10 °C ~ +40 °C Capacity: 120 mAh (Lithium battery built in the machine, rechargeable) FM band range: 87.5-108.0MHZ Audio input response: 100-15000Hz Stereo resolution: ≥38dB * It's easy to use, plug the transmitter into your phone or other device, and set the transmitter to the same channel as the car radio. *The launch distance is 15 meters, which is the most powerful transmitter. * Connect the FM transmitter to the machine headphone jack. * Adjust the volume and frequency of the FM radio (avoid conflicts with no radio frequencies). * Adjust the FM transmitter frequency to match the FM radio frequency. * FM transmitter will automatically remember the last used transmission frequency * As long as it is supported by the 3.5MM headphone jack. It is very suitable for car owners. Hands-free refers to the call when using the transmitter, you can use the hands-free function, the other party's voice can be sent from the car audio, it is more convenient to drive! ! ! Using hands-free Please don't turn the car volume to the maximum, so the sound quality will be better. The way to achieve music playback: Through the audio interface (this connection can achieve listening to songs, hands-free) Note: The hands-free function is not based on the transmitter's microphone. The transmitter itself does not have a microphone. It is plugged into the phone and then used to make a call using the phone's microphone. Connection and operation are fast, as long as the vehicle frequency and transmitter frequency are the same, it can be used (not to exclude external strong interference). Please use this product to debug several frequency points and find the most suitable local channel (the channel should not conflict with the local station frequency, it is best to choose blank FM channel, the optimal channel is different in different regions)