Patented product

Bluetooth FM Transmitter Car Adapter MP3 Audio Music Player with Dual USB Car Charger Support SD TF Card Hands-Free Calling

FEATURES:

LED display the FM frequency/track.
Support USB disk SD TF card 3.5 mm line-in jack and external audio devices.
Support Wireless transmit phone call from Bluetooth mobile phone to the car FM stereo system.
Dual USB output to charge for mobile phones and other devices (output 5V/2.1A) With voice prompt.
Support hands-free calling, bulit-in microphone,convenience and safety for answer the phone.
Noise cancellation by CVC,wind noise suppression,full duplex technology.
Auto pairing once turn it on.

SPECIFICATION: 
Bluetooth Version:3.0+EDR
Frequency Range:87.5-108.0 MHz
Output Frequency:20Hz-15 KHz 
Working Current:45mAh(Maximum)
Standby Current:25mAh(Maximum)
USB Charge Output:5V/2.1A 
Music Format:MP3/WMA
USB Maximum:32G

HOW TO USE WELL TIPS:
To avoid noise, suggest you firstly choose a blank unused FM frequency ( 87.5-108.0MHz) and keep the FM transmitter and car FM radio at the same frequency.This will make the sound cleaner.
Please change another stable channel if it has a lot of static because of frequency conflict.

PACKAGE INCLUDED:
1 x Car FM Transmitter Bluetooth Mp3 Player 
1 x Audio Cable
1 x English User Manual