Telephone Headset With Noise Cancelling Microphone

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Description:

High-definition voice communication, anti-background noise
Headphones are comfortable and durable.
FSK / DTMF caller ID, automatic detection;
30 groups of 16-bit caller number ;
5 groups of 16-bit caller number access;
32-bit pre-dial and change functions;
Backlight use instructions, incoming light when the backlight flashing instructions;
Automatic call, manual answer, and instructions light;
Microphone mute function, and instructions light;
2 files headset call volume adjustment;
Ringtones volume, small adjustment and closed, and the earphone ring;
FLASH time 100,600ms choose to adapt to different switches;
Equipped with a recording interface, can be used for training or connected with the computer sound card to record;
No external power supply, can be used normally;

Specification:

Model: VH500D
Headphones type: headset
Plug type: USB
Voice principle: moving
Frequency response range: 18-20000 (Hz)
Impedance: 150 (Ω)
Sensitivity: 118 (dB)
Distortion rate: 0.1 (%)
Wire length: 1.5m
Speaker diameter: 30 (Φmm)

Package Includes:

1x Telephone Headset

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