Dh600d two ear mobile phone and single port computer 3.5mm single plug microphone call center telephone headset office headset

I. Use Environment

1: ambient temperature: - 10 ~40.

2: Relative humidity: 10%-95%.

3: Atmospheric pressure: 86-106 kPa

4: Environmental noise: <60dB(A)

II. Functional Indicators

(1) Microphone

1: All-directional noise-proof electret capacitive microphone; signal-to-noise ratio greater than 58 dB

2: Sensitivity - 40 +3dB (0dB = 1V/Pa, at 1KHz);

3: Impedance 2.2K ohm;

4: Working voltage 2.0V;

(2) Receiver

1: Broadband high-quality receiver;

2: impedance 150 ohms;

3: Frequency range 100-6600HZ;

4: Distortion < 5%;

5: Sensitivity of 100 + 3dB (1000, 12000, 1500, 2000HZ);

3. Wire Material

1: High-quality swing-resistant, low obstruction PU headphone wire (with bullet-proof wire tension material)

2: line length 2.1m

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