Microphone type: instrument microphone, professional recording microphone, conference microphone, KTV/performance microphone, game voice microphone, home microphone Applicable objects: home, stage, recording, instrument, KTV, conference, interview Directional characteristics: cardioid Color: [Double black] one-to-two charging/anti-howling/high volume, [black] one-to-one charging/anti-howling/high volume Built-in battery capacity: 800mAh-1000mAh (inclusive)<br><br>Signal-to-noise ratio: equal 100dB Frequency response range:100HZ-20KHZ Rated voltage:2.4-3.7 Battery life: 8-12 (inclusive) Radio : dynamic Whether built-in battery: built-in battery Note:due to different production batches, the colors and styles of accessories are random, and the designation is not accepted. Colour:Black Material:ABS<br><br>Package Contents: 1 set * Wireless Dynamic Mic<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.