The Pyle PDWM2125 is a Bluetooth-enabled wireless Pa microphone system designed for home, office, or classroom use. This system includes two dynamic handheld microphones with Uhf narrow band technology for crisp, clear audio performance. The receiver is powered by Usb and features Bluetooth capability for hassle-free streaming from smartphones, tablets, and other external devices. It also offers a range of audio input/output options, including Rca, aux, and 1/4"" connections. With a wireless range of up to 165 feet, it's perfect for public address announcements, karaoke, and more. The microphones are battery-operated for portability, with easy plug-and-play setup.