Wireless <br />             <strong>Connection:</strong> USB 2.0 <br />             <strong>Frequency Range :</strong> 100-13k（Hz） <br />             <strong>Cable Length (cm):</strong> 0.475M <br />                          <strong>Package weight:</strong> 0.356 kg <br />             <strong>Product size (L x W x H):</strong> 9.00 x 3.30 x 10.50 cm / 3.54 x 1.3 x 4.13 inches <br />             <strong>Package size (L x W x H):</strong> 18.00 x 5.50 x 14.00 cm / 7.09 x 2.17 x 5.51 inches <br />             <strong>Package Contents:</strong> 1 x Megaphone, 1 x USB Line, 1 x Lanyards, 1 x English User Manual                 <p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135607950244.jpg" style="" title="1459135607950244.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135605922424.jpg" style="" title="1459135605922424.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135603419445.jpg" style="" title="1459135603419445.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135604283258.jpg" style="" title="1459135604283258.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135605738962.jpg" style="" title="1459135605738962.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135606154535.jpg" style="" title="1459135606154535.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135607965955.jpg" style="" title="1459135607965955.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/03/28/1459135606769440.jpg" style="" title="1459135606769440.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/01/08/1452232750459861.jpg" style="" title="1452232750459861.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/01/08/1452232752512987.jpg" style="" title="1452232752512987.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/01/08/1452232751549948.jpg" style="" title="1452232751549948.jpg"/></p><p><img src="http://des.chinabrands.com/uploads/pdm-desc-pic/Electronic/image/2016/01/08/1452232752481714.jpg" style="" title="1452232752481714.jpg"/></p><p><br/></p>