A566E 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.
Adopts breathable PU leather as ear cover, comfortable for wearing.
Elastic cord can be drawn to longer length, providing more convenience to you.
Comes with 6.35mm metal adapter, can connect to music device with 6.35mm hole.

Specifications:
Model: A566E
Color: White, Black, Pink, Blue (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: Ф3.5mm * 1
Cord Length: >=2.7m
Compatible Device: Mobile Phone/Tablet/Piano
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
1 * Storage Bag
1 * 6.35mm Metal Adapter
1 * Adapter Cord