BINGLE B326 <br />             <strong>Color :</strong> Black, White <br />             <strong>Wearing type :</strong> Headband                               <strong>Connectivity :</strong> Wired <br />             <strong>Sensitivity :</strong> 100dB <br />             <strong>Microphone sensitivity:</strong> -58±3dB <br />             <strong>Microphone frequency:</strong> 50 - 10000 HZ <br />             <strong>Microphone impedance :</strong> 32 Ohm <br />             <strong>Working voltage:</strong> 3V                                            <strong>Package weight:</strong> 0.435 kg <br />             <strong>Product size (L x W x H) :</strong> 16 x 16.7 x 7.5 cm / 6.2 x 6.5 x 2.9 inches <br />             <strong>Package size (L x W x H) :</strong> 23 x 21 x 10 cm                               <strong>Package contents:</strong> 1 x Headset                 <img src="http://des.chinabrands.com/uploads/2015/201501/heditor/201501051721065694.jpg" alt="BINGLE B326 Great Sound Supra-aural Wired Headset" />