The Gemini GMU-HSL100 is a UHF Wireless System with an HS10 dynamic headset microphone and a LAV10 lavalier microphone with BT10 wireless transmitter body pack and R10 receiver. This expandable Plug & Play system will meet all your wireless needs, with a USB-rechargeable receiver and long-distance wireless connection. Gemini’s GMU Wireless system is perfect for many applications, including but not limited to: karaoke, busking, weddings, conferences, streaming and podcasting. The GMU Wireless System can support six pairs of devices working without interference and also transmit one signal to several receivers at the same time.