Rechargeable Wireless Microphone Live Sound Card with Smart LED Display Distance Advanced Microprocessor Intelligent Noise Reduction Uses high-quality microprocessor to protect your sound Matte touch feel comfortable to hold Advanced touch, anti-hand, 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: Dynamic Plug type: US plug, suitable for Canada, Mexico, Thailand, Philippines, Taiwan, etc. Material: ABS Color: Black Packaging Contents: 4 x Microphone 1 x 1 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. ",