USB Wired Headset with Noise Cancelling Microphone On Ear Computer Headphone Call Center Earphone Volume Control Speaker Mic Mute Adjustable Headband ( Item#: V7888 )

Features:
Ergonomic Design:
Adjustable headband length, soft ear cushion for maximum wearing comfort, suitable for different head size wearing.
Multi-purpose Headphones:
Fits for making office business conference calls, call center phone calls, speech dictation, online courses, language learning, etc.
Noise Canceling Microphone:
Built-in noise-canceling rotatable microphone can block out unwanted background noise for precise voice picks-up, ideal for clear conversation.
Wide Compatibility:
USB plug and play, no external power or drive needed. Compatible with desktop computers, laptops and other USB audio devices.
In-line Control:
With in-line control, you can easily control volume up and down, mute mic and mute speaker.

Specifications:
Model Number: OY359
Drive Unit: 40mm
Rated Power: 20mW
Operating Voltage: 3.7V
Working Current: 0.3-1A
Mic Size: 5.7mm*5.2mm±0.5
Mic Sensitivity: -36dB±3dB
Directivity: Omnidirectional
Frequency Range: 20-20KHz
Sensitivity: 103±5dB
Impedance: 32Ω±10%
Input Plug: USB Plug
Color: Black
Cable Length: 1.8m±0.2m
Main Item Weight: 146g/5.15oz
Package Size: 17.7*14.5*7.2cm/6.96*5.70*2.83in
Package Weight: 187g/6.59oz

Package List:
1 * USB Headset