Microphone type: Instrument microphone, professional recording microphone, conference microphone, KTV/performance microphone, gaming voice microphone, home microphone Applicable environments: Home, stage, recording, instrument, KTV, conference, interview Directional characteristics: Cardioid Color options: [Double black] one-to-two charging/anti-howling/high volume, [Black] one-to-one charging/anti-howling/high volume Built-in battery capacity: 800mAh1000mAh (inclusive) Signal-to-noise ratio: 100dB Frequency response range: 100Hz20kHz Rated voltage: 2.43.7V Battery life: 812 hours (inclusive) Microphone type: Dynamic Built-in battery: Yes Color: Black Material: ABS Package Contents: 1 x Wireless Dynamic Microphone (set) Note: Other products not included. Note: Due to different production batches, colors and styles of accessories may vary randomly; specific requests cannot be accommodated. Note: Lighting reflections and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: 13 cm.