This is a microphone, which is made of , durable and can be used for a long time. -noise filtering technology provides clearer texture and high-fidelity, very practical. The microphone's body is strong and durable. The microphone has and can support long time use. Features -Color: Black -Material: ABS, iron -Size: About 24.00X4.50X4.50cm/9.43X1.77X1.77in -Input voltage: 3V -Sound track: 2 - to Noise Ratio: >=70db -Frequency Response: 100HZ-20KHZ -Note: 2 x AA battery powered(Not included) -Note:The color of the base is random -This microphone is made of make it excellent texture, stability and durability. -Excellent craftsmanship makes the microphone have high definition and wide frequency response range. - -noise filtering technology provides clearer texture and high-fidelity, very practical. -Applicable to various occasions: home entertainment, outdoor entertainment, conference office, education. -With high definition digital display screen, you can clearly and intuitively see the microphone frequency band, power, and other functions. Package list: 1 x microphone 1 x receiver