It is easy to use, connect the transmitter to your phone or other device and set the transmitter to the same channel as the car radio. With a launch distance of 15 m, it is the most powerful transmitter.

Specifications:
Charge: 5V 1A (4.75V-5.5V 1A ± 10%)
AUX connection: 3.5 mm audio jack.
FM display: 88.1Hz-107.9Hz.
FM connection: the same frequency is connected.
Audio input: 3.5 mm audio jack.
Volume adjustment: none
Switch: ON-OFF switch.
Audio output: FM band connection output.
Frequency adjustment: press "& gt;" to increase frequency "& lt;" to decrease frequency
Output voltage: 5 ± 0.1
Vehicle current: 600mA
Storage temperature: -20°C ~ +50°C.
Working temperature: -10°C ~ +40°C.
Stereo resolution: 38dB.

Package List:
1 x user manual (English language not guaranteed).
1 x charging cable.
1 x transmitter.

Note:
The hands-free function is not based on the microphone of this transmitter. The transmitter itself does not have a microphone. Connect this transmitter to the phone and use the phone microphone to make a call. Quick connection and operation, as long as the frequency of the vehicle and the transmitter are the same (do not exclude the external strong interference). Use this product to debug various frequency points and find the most suitable local channel. must not enter conflicto with local radio frequency.It is better to choose a white FM channel.The optimal channel is different in different regions.