A4tech FH200U USB Headphone

Speaker Unit: 50 mm
Frequency Response: 20 Hz – 20 KHz
Sensitivity: 100 dB
Impedance: 16 ohm
Microphone
Frequency Response: 100 Hz-10 KHz
Sensitivity : -44 dB
Cable
Material: Tangle-Free Braided Cable
Cable Length: 200 cm
Port: USB
System Requirement：Windows 7/8/8.1/10，Mac OS X

Suitable for speaks online courses, Skype chat, conference calls, webinar presentations, and more.

DSP Stereo
Equipped with DSP (Digital Signal Processing) stereo chipset to reduce the unwanted background noise and offer clear, crisp audio performance.

50mm Speaker Unit
High-precision 50mm speaker unit provides crystal clear sound.

Dual-Support Headband
Unique dual-support headband adjustable comfort for personal preference.

Bulit-in Metal Headband
Bulit-in metal headband avoids deformation and provides strength and durability.

Ergonomic Soft Leather Ear Pads
Over-Ear soft leatherrette ear pads feature environmental noise insulation and comfortable fit.

Noise Cancelling Unidirectional Mic.
Built-in unidirectional microphone which can be twisted discretionarily, picks up your voice loud and clear. Reduces unwanted background noise for clear conversation.

Adjustable Volume Control Knob
Volume knob on the headphone housing for convenient control.