Manhattan HP387?  Headset? 

Select From Category Headphone
Model Manhattan 179317 Stereo Headset Lightweight Over-ear Two 3.5 mm Plugs Built-in Adjustable Microphone - Black
Device Type PC Headphone
Connectivity Wired
Color Black
Brand Manhattan
Connectivity Type 3.5mm
Features

Standards and Certifications
CE
FCC
RoHS
WEEE
Headphones
Frequency response:?? 20 Hz – 20 kHz
Impedance:?? 32 ??©
Sensitivity:?? 103 ??±3 dB
Input:?? 30 mW (maximum)
Input connection:?? two 3.5 mm plugs
Microphone
Type:?? omnidirectional condenser
Frequency response:?? 30 Hz – 15 kHz
Sensitivity:?? 103 ??± 3dB
Impedance:?? 2.2 k??©
Physical
Cable:?? 1.8 m (6 ft.)
Weight:?? 87.8 g (3.1 oz.)
Package Contents
Stereo Headset

Connectivity two 3.5 mm plugs
Product Warranty 3 Years