Package includes:
1 x Telephone headset
Description:
Features:
1. Suitable for call centers. Excellent sound quality， light weight and durable.
2. Noise canceling， can reduce background noise.
3. Hearing on both left and right sides and microphone can be worn on either left or right ear.
4. Very comfortable ear pad， comfortable for all day use.
5. Adjustable headband， acoustic shock protection circuit.
Model number:XD600-03.
Frequency range(Hz):20～20KHz.
Fit Design:over the ear.
Feature:microphone.
Color:black.
Interface:4PIN RJ11 telephone crystal head.
1. Wire.
Cable length:maximum length:about 2m.
Line breaking strength:not less than 10Lbs.
Tensile test:connecting portion of wire and pins， the wire and earphone case should be connected reliably， can endure 1.5Kg pulling force， no loose or fall off and can work normally.
Core structure:(8 / 0.1 + 250D) × 4.
The total impedance:not more than 0.3Ω per meter.
2. Speaker specification.
Type:moving-coil speaker.
Impedance:150Ω.
Sensitivity:118 ± 5dB at 20μPa = 0db， 1KHz.
Center frequency:800 ± 50Hz.
Rated input power:5mW.
Maximum input power:30mW.
3. Microphone.
Type:electret condenser microphone.
Impedance:2.2K.
Sensitivity:-50 ± 3dB at 20μPa = 0db， 1KHz.
Frequency response:30 ~ 16KHz.
Package includes:
1 x Telephone headset
