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Smart Stereo was established by a group of senior Electro-acoustics engineers, violinist,And concert tuners collaboratively, more than 10 years.
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Black Bluetooth Handsfree Car Radio Transmitter Music Adapter 3.1A Dual USB Port

Black Bluetooth Handsfree Car Radio Transmitter Music Adapter 3.1A Dual USB Port

Brand Name : smartstereo
Model Number : hy-82
Certification : ce
Place of Origin : made in china
MOQ : 500 pieces
Price : Deliberation
Payment Terms : T/T, Western Union
Supply Ability : 1000000 pieces
Packaging Details : paperbox
mataial : abs
color : black
function : wireless
function 2 : Bluetooh
function 3 : handsfree
function 4 : Car Charger
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Black Bluetooth Handsfree Car Radio Transmitter Music Adapter 3.1A Dual USB Port


(1) USB Port (3.1A) (6) Next Song

(2) USB disc and charger (1.0A) (7) Call

(3) LED Display (8) Micro SD card

(4) Microphone (9) Metal shrapnel (negative)

(5) Previous Song (10 )Metal shrapnel (positive)

Operation Instructions

Using FM Transmitter function:

1. Plug the FM transmitter into your vehicle’s cigarette lighter or power port.

2. Tune your radio to an unused FM frequency(as pics advised), then match the same frequency of this unit.

3. Insert Micro SD card or USB disk which containing MP3 files into the card/USB 2 slot (please follow the pic USB2). It will play and transmit the file automatically.

Car Battery Detection:

12V Car battery voltage is lower than 11.6V or higher than 14.8V will prompt the abnormal voltage;

24V battery voltage is lower than the car in 23.2V or higher than 27.2V will prompt the abnormal voltage, voltage warning function is convenient for users to keep the car battery good status.

Using Bluetooth function:

1. Using Bluetooth for the first time, you need to pair your mobile phone with this unit. Activate your mobile phone's Bluetooth function, then search new device. When the mobile phone detects this unit (named as "BC03"), please pair and connect.

2. In the music playing mode, when there is an incoming call, this unit will automatically switch to telephone mode.

Bluetooth calling

1. Please press Middle button to answer the incoming call.

2. Please press Middle button to hang off a call.

3. Please long press Middle button to reject a call.

4. Press Middle button twice to dial the last Number automatically.

5. When making a call, you can only dial the phone number by your mobile phone, but once the call connected, you can use the hans-free function to enjoy it.

Music Play:

l The priority of automatic music playback is Bluetooth →Micro SD card and →U disk

l Please short press[ Middle button ]to select the previous song,and show press[ Middle button ]to select the next song

l When play the music, rotate the Middle button left to decrease the volume; rotate the Middlebutton right to increase the volume;

l Please short press Middle button to play/pause music

l Please Long press Middle button enter to FM Frequency mode, turn the Middle button to change the frequency.

l The device in the playing mode, long press Middle button to switch the music from Bluetooth/Micro SD card/U disc.

Using USB charger function:

Connect the USB Charger port to your mobile phone, with a USB cable (not included) when this product powered from car lighter socket, and it will serve as mobile phone charger.

Please note: the maximum output of USB1 is 2.4mAh,

maximum output of USB2 is 1mAh.


l Bluetooth device

l User Guide


Play Interface



LED Display

Micro SD/U Disc Capacity


Power Supply


Music format


Working current

50-100mA DC12V

Bit Rate


FM Frequency range




Resonance wave distortion


Working Temperature


Transmit Distance


From this site, you could find most of our product information.
But, it is recommended that you send us a mail at <> for more details on custom-made product or if you have something extraordinary.
Thanks for your visiting and we hope you enjoy in readings.

Product Tags:

car audio fm transmitter


car charger fm transmitter

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Black Bluetooth Handsfree Car Radio Transmitter Music Adapter 3.1A Dual USB Port Images

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