H58 Computer Wired Headphone Office Bussiness Lightweight Noise Cancelling Headset with Microphone

Features:
Fashion, simple and smooth appearance.
Adopts environmental-friendly material, safe for health.
Built-in independent sound card chip, provides clear and real sound.
Pure copper shielded wire can reduce signal transmission path loss.
Ф30mm speaker driver provides loud and clear sound. 
360° flexible goose-neck, all-direction sound pick-up.
Lightweigh body, has no restraint pressure.
Adjustable headbeam, users can adjust the wearing according to the head's size.

Specifications:
Model: H58
Color: Black
Mic Dimensions: Ф6.5*5.0mm
Directivity: Uni-Directional
Sensitivity: -44db±3dB
Impedance: ≤ 2.2KΩ
Microphone Pole Length: 230mm 
Speaker Driver Element: Ф30mm
Impedance: 32Ω
Frequency Response: 20Hz-20kHz
S.P.L: <=98dB
Plug Type: USB + Ф3.5mm * 1
Cord Length: >=2.5m
Item Weight: 180g / 6.35ounces 
Package Size: 210 * 175 * 64mm / 8.27 * 6.89 * 2.52in 
Package Weight: 195g / 6.88ounces 

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