Pro Audio XSW-D Vocal Set Plug-on Digital Wireless System with Dynamic Microphone

Sets are pre-paired and all accessories for a quick start are included License free 2.4 GHz is available world-wide Automatic channel allocation & interference management Light weight plugs can be hidden & stored easily Devices can be charged during operation and breaks. 1 hour charging to reach 50% battery time. Total battery time 5 hours.