A566H Computer Wired Headphone Student Lightweight Noise Cancelling Headset with Microphone for Online Study Education Test

Features:
Fashion, simple and smooth appearance.
Adopts environmental-friendly material, safe for health.
Stable signal transmission, would not disturb the learning.
Ф40mm speaker driver provides loud and clear sound. 
Exceptionally low self-noise for clear sound recording.
Volume adjustable, adjusted by the contact roller on left side of headphone.
360° flexible goose-neck, all-direction sound pick-up.
Built-in independent sound card chip, provides clear and real sound.
Adopts breathable PU leather as ear cover, comfortable for wearing.
USB plug, can be plugged to the desktop computer and notebook.

Specifications:
Model: A566H
Color: White, Black (Optional)
Mic Dimensions: Ф9.7 * 6.7mm
Directivity: Uni-Directional
Sensitivity: -45db±3dB
Impedance: ≤ 2.2KΩ
Microphone Pole Length: 180mm 
Speaker Driver Element: Ф40mm
Impedance: 32Ω
Frequency Response: 20Hz-20kHz
S.P.L: 98dB±3dB
Plug Type: USB Plug
Cord Length: >=2.3m
Compatible Device: Desktop Computer/Notebook
Item Weight: 180g / 6.35ounces 
Package Size: 240 * 210 * 90mm / 9.45 * 8.27 * 3.54in 
Package Weight: 349g / 12.31ounces 

Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.

Package List:
1 * Headphone