This is a Brand New Xvive U3 XLR Plug-on Wireless Microphone System. It is a Dynamic Digital Wireless Mic System. 2.4 GHz Frequency Range. 90 ft line of sight range. Up to 6 simultaneous Channels. XLR Connection. Rechargeable Lithium Ion Battery wtih up to 5 Hours of Life. FREE SHIPPING WITHIN THE CONTINENTAL UNITED STATES ONLY! PLEASE INQUIRE ABOUT SHIPPING COSTS TO ANY OTHER LOCATION!