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)
Using FM Transmitter function:
1. Plug the FM transmitter into your vehicle’s cigarette lighter or
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.
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.
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
Micro SD/U Disc Capacity
FM Frequency range
Resonance wave distortion
From this site, you could find most of our product information.
But, it is recommended that you send us a mail at
<iSmartStereo@yahoo.com> for more details on custom-made
product or if you have something extraordinary.
Thanks for your visiting and we hope you enjoy in readings.