Descriptions:
-Mono headphone with Mic, volume control included as required.
-Microphone head phone for call centers.
-Headset with adjustable microphone, convenient for use.
-Call center headset with soft sponge ear cushion for comfort wearing.
-Computer headphones with RoHs/CE available as demand.
-Mono headset with buyer's specifications accepted.
-Package: PE bag / blister case / color box, or any others as needed.

 Headphone specifications:
-Driver unit: Dia 27mm
-Impedance: 32ohms
-Sensitivity: 109dB+/-3dB
-Max input power: 50mW
-Frequency Response: 20Hz-20,000Hz
-Cord length:1.8m+/-3%
-Plug type: 3.5mm stereo

Microphone specifications:
-Dimensions: 6×5mm
-Sensitivity: 60dB+/-3dB
-Frequency Response: 20Hz-20,000Hz