VocoPro Dual Wireless USB Handheld MIC (USBCASTHANDHELD)Dual Wireless USB Handheld Microphone SystemRugged all metal dynamic microphone for maximum gain before feedback to minimize background noiseTwo users can use the microphones simultaneously without interference or set upOperate in 900 MHz away from radio, TV, and Wi-Fi interferenceTransmitters connect quickly and silently, freely turn the mic on and off as needed
