VTIN TECHNOLOGY BH194A User Manual

Product Picture

Bluetooth FM Transmitter

User Manual

1. USB port

2. USB port (5V-QC3.0 charging）

3. Last song/ CH button

4. Next song/Mode button

5. LED light

6. Multi-function button(Short press to play/pause/answer/hang up/; long press to turn be

conversation into private mode; turn right is volume +,turn left is volume -)

7. TF port

8. The negative power of shrapnel

9. The positive power of shrapnel

Function

1. Real monitor the voltage of the car accumulator ,mention the voltage very 10seconds.

2. USB Charging port alone，can supply Max 16W/5V-QC3.0 charging power

3. Ultra small body, adjustable angle to adapt to all kinds of cars, do not interfere with driving.

4. 88.1MHZ ~~~107.9MHZ frequency range, can choose any frequency (when frequency point with

car radio frequency is same can work normally )

5. Automatic frequency memory.

Button operation

1. “ ”button：Play/Pause/Answer/Hang up Button, When incoming the call, short press is to

answer the phone, after the phone call is finished ,short this button is also to hang up the call;
When incoming the phone call , long press the button to reject to answer the phone call. Double
press this button is to call somebody back. When playing music, short press for pause; Turning left
for volume down, turning right for volume up. When in CH mode, turning left for frequency down,
turning right for frequency up.

2. “ ”button：last song/CH switch button. When you need to change the frequency, Please long

press“ ” button to enter the CH Mode【The led light will be flashing】, Then please change the
frequency by the adjusting knob. When in the playing music mode, short press “ ” for play last
song.

3. “ ”Button：Next song: When in playing music mode, short press for play next song; Long press is

to switch the TF card Mode or USB Mode.

4. Charging operation: USB port2 is for the USB QC 3.0 charging port. Plug into the charging line and

connect with the phone’s USB port can charging for the smart phone.

Bluetooth connection method of operation:

1.When the machine is inserted into the cigarette lighter of the car, the machine is switched on and
prompted (the Bluetooth device is ready to connect), the phone can search for the Bluetooth device,

"....."select and connect with the Bluetooth”.....” will connect directly, when the device is connected, it

prompt (Bluetooth device connected successfully).

2. When the device is successfully connected with the phone, it will automatically open the phone
music player and play the phone music , the key operation function please refer to “ function
operation “.

Precautions

1. Please use the specified voltage, DC 12 ~ ~ 24V, if the use other voltage may cause the machine is not
working properly, or may damage the product

2. When starting or igniting the car, please do not insert the product into the car cigarette lighter,
otherwise it may cause the machine to burn out.

3. Please remove the cigarette lighter when not use for a long time

4. please use car speaker to adjust the volume , do not adjust the too large volume of the machine , or
some music may produce violent sound and distortion of the phenomenon, if playback of the music is