Behringer Ultralink ULM202USB Wireless USB Dual MIcrophone System
High-Performance 2.4 Ghz Digital Wireless Dual Microphones With Usb Receiver For Use With Compatible Behringer Products Like The B115D, Eps500Mp3 And Many Q Series Mixers Like The Qx2442Usb. If the wireless microphone cannot connect to a receiver, the microphone will automatically power down after 10 seconds.