Upgrade 2.4GHz Wireless Lavalier Lapel Mic Omnidirectional Microphone System

BOYA Upgrade 2.4GHz Wireless Lavalier Lapel Mic, Omnidirectional Microphone System Audio Recording with Easy Clip On, 3.5mm Plug for Canon Nikon Sony DSLR Camera, Camcorder, iPhone Huawei Smartphone Features & details Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Product information Item Weight ‎10.6 ounces Product Dimensions ‎1.85 x 2.76 x 0.91 inches ASIN ‎B07GKXF7V5 Item model number ‎BY WM4 Pro K1 Batteries ‎2 AA batteries required.