Usb Headset

Brief Decreiption
Digital USB-to-headset adapter for computers
Eliminates issues with soundcard compatibility.
User accessible side tone
Accessible call control buttons
Commercial-grade design
For use on Windows 2000, XP and Vista
Support MS Lync, Avaya, Cisco, Aastra, Polycom, and other UC platforms.

Headset Key Features:
Comfortable Adjustable headband design can be positioned for optimal comfort
Ultra noise cancelling microphone
Flexible boom allows 350 adjustable the mic to be positioned for optimal comfort and voice transmission. Swing-away feature lets you move the mic out of the way for beverage breaks.
UltraFlex TM MIC wires improve the life of boom rolling
Omni directional microphone can be passed in a quiet environment, clear sound
Teflon washer support increases positioning accuracy, stability and ensure optimal durability
Hi-Fi audio quality with Neodymium speakers
Wideband audio frequency makes more natural voice
Adjustable headband can be positioned for optimal comfort
Quick-disconnect feature provide an easy way to step away from the phone without disconnecting the call or even removing your headset.
Acoustic shock protection circuit
ActiveProtectionTM safeguards the user from the effects of an acoustic burst
Quick Link(QLTM ) function can make you leaving telephone while wearing the headset
Warranty: 2 years, RoHS and CE approval.

Speaker
1. Unit driver: 27mm
2. Impedance 150 +/-20%
3. Frequency Response 300-3K Hz
4. Distortion: Less than 1%
5. Sensitivity: 108dB 3dB/mw at 1KHz
Omni directional Microphone
6. Frequency response: 20-3000Hz
7. Impedance: 2.2k ohm
8. Sensitivity:-42dB 2dB
9. SNR: 55dB
10. Distortion: Less than 1%.


Paper box size:18.5*14.5*6.7cm for one unit
10 unit/4kgs.