LOGITECH H340 USB Headset black

Logitech H340.
Product Type: Headset
Wearing Style: Over-the-head
Connectivity Technology: Wired
Ear Coupling: On-ear
Frequency Response: 20 - 20000 Hz
Sensitivity (Headphones): 115 dB
Microphone Frequency Response: 100 - 16000 Hz
Sensitivity (Microphone): -42 dB

Logitech H340.
Product Type: Headset
Wearing Style: Over-the-head
Connectivity Technology: Wired
Ear Coupling: On-ear
Frequency Response: 20 - 20000 Hz
Sensitivity (Headphones): 115 dB
Microphone Frequency Response: 100 - 16000 Hz
Sensitivity (Microphone): -42 dB