Rechargeable wireless microphone sound card with smart LED display, unlimited distance Advanced microprocessor intelligent noise reduction Uses high-quality microprocessor to protect your voice Matte touch feel comfortable to hold Advanced touch, anti-slip, easy to control UHF wireless transmission. One-time automatic frequency binding, anti-interference, strong signal penetration, one-click connection to start singing immediately. Highly environmentally friendly material, comfortable to hold, and one-handed control. Frequency response range: 100HZ-20KHZ Signal-to-noise ratio: 60dB Microphone type: DynamicPlug Type: Plug, suitable for Canada, India, Mexico, Thailand, the United States, Philippines, Taiwan, etc. Material: ABS Color: Black Packaging Contents: 4 x Microphone 1 x Host 1 x Power Supply 1 x Audio Cable Only the above packaging content, other products are not included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/-1-3cm. ",