1) Load impedance: 4 ohm  <br><br>2) Music track/volume/FM display  <br><br>3) Voltage: DC 12-14.4V  <br><br>4) Support Bluetooth function? built-in MIC  <br><br>5) Support MP3 format music  <br><br>6) Support SD memory card up to 32GB  <br><br>7) FM frequency: 87.5-108MHZ  <br><br>8) Usable sensitivity: 10db  <br><br>9 Antenna terminal: external antenna  <br><br>10) Intermediate frequency: 450KHZ  <br><br>11) Sensitivity: 36db  <br><br>12) Signal to noise: 50db  <br><br>13) Dual USB ports <div class="params_begin">Specification:</div><div class="params_group"><table border="0" class="params_group_table">  <tr>	<td class="params_group_name">			Package Weight		</td>	<td class="params_props">			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">One Package Weight</td>			<td class="params_value">				1.34kgs / 2.96lb			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Qty per Carton</td>			<td class="params_value">				20			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Weight</td>			<td class="params_value">				13.50kgs / 29.76lb			</td>					</tr>		  </table>		</div>			<div class="params_prop last_prop">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Size</td>			<td class="params_value">				45cm * 45cm * 40cm / 17.72inch * 17.72inch * 15.75inch			</td>					</tr>		  </table>		</div>		</td>  </tr></table></div><div class="params_end"></div> <p>&nbsp;<img src="https://lh3.googleusercontent.com/-oYp3-Nj18a0/Vzl4ATG8byI/AAAAAAAAiB0/flsa52IW_io-CXISwM-o_wO6Gth2NbbmgCCo/s829/sg%2Bback.jpg" alt="" / noproxy></p>