"Features:
<br />1 LED display window
<br />2 Dual USB output with (5V/2.1A , 5V/1A),quick charge for tablet and phones
<br />3 Bluetooth hands-free calling 
<br />4: Cigar lighter port(12-24V) max 4A output, don't support cigar lighter function
<br />5: Call Echo Cancellation and Noise Reduction (CVC) technology,free static
<br />6: Automatic memory function of power failure 
<br />7: Bluetooth stereo music play 
<br />Specification:
<br />USB output:
<br />5V/3.1A
<br />Bluetooth version:
<br />Version 2.1
<br />Bluetooth transmission distance:
<br />10M
<br />Effective distance of Bluetooth microphone:
<br />0.5~2M
<br />FM frequency:
<br />87 5~108Mhz
<br />FM Mode:
<br />Stereo digital PLL frequency locking
<br />Package include:
<br />1x Bluetooth FM Transmitter
<br />1x Manual
<br />"