Advanced UHF Technology: Utilizes UHF band for minimal interference, ensuring clear, distortion-free audio performance Noise Elimination Feature: Equipped with sophisticated noise reduction technology to deliver crisp, clear sound quality, ideal for live performances Versatile Performance: Perfect for stage performances, public speaking, and events, offering professional-grade reliability and sound clarity Extended Range: Long transmission range suitable for large venues, providing flexibility and freedom of movement during use Note: Batteries are not included in the shipment. One microphone requires 2xAA batteries. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. One to two microphones Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: black Material: plastic+metal Package Contents: 1set x Professional wireless microphone