1. Microphone type: instrument microphone, professional recording microphone, conference microphone, KTV/performance microphone, game voice microphone, home microphone 2. Applicable objects: home, stage, recording, instrument, KTV, conference, interview 3. Directional characteristics: cardioid 4. Color: [Double black] one-to-two charging/anti-howling/high volume, [black] one-to-one charging/anti-howling/high volume 5. Built-in battery capacity: 800mAh-1000mAh (inclusive) 6. Signal-to-noise ratio: equal 100dB 7. Frequency response range:100HZ-20KHZ 8. Rated voltage:2.4-3.7 9. Battery life: 8-12 (inclusive) 10. Radio : dynamic 11. Whether built-in battery: built-in battery 12. Note: due to different production batches, the colors and styles of accessories are random, and the designation is not accepted. 13. Colour: Black 14. Material: ABS 15. Package Contents: 1 set * Wireless Dynamic Mic 16. Only the above package content, other products are not included. 17. 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.