A4TECH FH150U Conference Headset

FH150U Conference Headset Windows Mac OS Expert Features DSP Stereo Sound : Fstyler USB Headphone equipped with DSP (Digital Signal Processing) stereo chipset to reduce the unwanted background noise and offer clear, crisp audio performance. 40mm Speaker Unit : High-precision 40mm speaker unit provides crystal clear sound. Leather Padded Headband : Constructed with adjustable leather padded headband for a comfortable experience. On-Ear Soft Leather Ear Pads : Light weight and soft leather ear pads ensure comfortable wearing for hours use. Flexible Rotating Microphone : Unidirectional noise-cancelling microphone reduces unwanted background noise and ensures clear calls. In-Line Convenient Controller : Convex anti-mistouch volume control button, provides convenient control volume, mic. mute, and previous/next track, etc. Expert Specs Headset Speaker Unit: 40 mm Frequency Response: 20 Hz – 20 KHz Sensitivity: 98 dB Impedance: 32 ohm Microphone Frequency Response: 100 Hz -10 KHz Sensitivity : – 42 dB Cable Cable Length: 200 cm Port: USB Plug System Requirement: Windows 7 / 8 / 8.1 / 10 / 11 Mac OS X