Feature:<br>1.Digital Display, practical in most of the cars<br>2.Support bluetooth 4.0/3.0/2.0, Support voice &amp; calling prompt<br>3.Support charger for Android &amp; Iphone or other device, max. Output 3.1A<br>4.Full frequency FM transmitter, total support 208 frequency<br>5.Support TF card/U disk MP3/WMA music play<br>6. Bluetooth answer, hang up, reject, redial calls and Voice Prompt<br>7. Echo cancellation and noise suppression (CVC) technology during a call<br>8. Automatic power-off memory function<br>9. Bluetooth stereo A2DP music play<br>10.Play the phone’s music and FM transmitter to Car Audio<br>11.Calls incoming automatically switches to the speaker state<br><br>Specification:<br>Model ST06<br>Rated operating voltage 12V---24V<br>Working voltage limits 9V-----28V<br>USB Output 5V/3.1A<br>Memory card format MP3 WMA WAV FLA<br>Bluetooth Version Bluetooth V3.0+EDR baseband and modem<br>Bluetooth transmission distance 10M<br>FM transmission frequency class2 and class3<br>Bluetooth receiver sensitivity -85dBm sensitivity<br>SNR SNR &gt; 93dB<br>The Microphone valid distance 0.5---2M<br>Working temperature 0~50 degree<br>Distortion &lt;0.1%<br>Frequency Response 20Hz-15Khz<br>FM transmission frequency 87.5~108Mhz<br>FM transmitter Stereo digital PLL locking<br><br>Package Included:<br>1 X ST06 Bluetooth FM Transmitter Charger