Wireless Amplifiers， SHIDU S611 Stable UHF Voice Amplifier 10Watts with 2000mAh Rechargeable Lithium Battery， Crystal Clear Sound for Teaching， Singing， Presentations and More (Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> [ Versatile Amplifier Power] Compact &amp; Portable Wireless amplifiers Features 10 Watts of Power and 500m2/ 5，300+ SQ FT Range. </span></li><li><span class="a-list-item"> [Sound &amp; Voice Projection] Convenient &amp; 2 in 1 UHF Wireless Removable Microphone，handheld or headset. </span></li><li><span class="a-list-item"> [Professional &amp; Personal] Comfortable &amp; Portable Voice amplifier for Teaching， Singing， Coaching and more. </span></li><li><span class="a-list-item"> [Multi-Funtion] It is Not Only a Power voice amplifier But Also a MP3 player， which support TF card &amp; USB flash drive. </span></li><li><span class="a-list-item"> [HiFi &amp; Without Howling] Ideal for a small or large group of 20-100 people， with Stable 100+ feet Wireless distance， without needing to carry the voice amplifier free your hands and Waist completely </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41RAxIu0JjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514NLSXEI-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41H77SqAYLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MVogE9g8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516jNDD3w4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41FkoIV07XL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bczMcVH0L.jpg" noproxy>