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Wireless microphones are audio devices that transmit sound signals without the need for physical cables or connections. These microphones utilize radio frequencies or infrared technology to transmit audio signals to a receiver, which is typically connected to a sound system or recording device. Wireless microphones provide freedom of movement for performers, speakers, and presenters, making them ideal for live performances, events, and presentations. These devices come in various types, including handheld, lavalier, and headset microphones, offering versatility and flexibility for different applications. Wireless microphones are widely used in professional audio settings, including concerts, theaters, conferences, and broadcast productions.