Powerful Electric Sonic Toothbrush with 4 heads<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> No need to charge Continuous power supply for 1500 minutes </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> IPX7 waterproof </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Frequency of vibration: 31000 times/min </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Toothbrush body*1 Toothbrush head*4 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31e4qukN%2B1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/517JtgXMCWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IdHoJQ5XL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412yz-UsQ8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fugaszykL.jpg" noproxy>