• Strong noise-cancelling microphone, 80% background noise eliminated
• Professional acoustic tune designed to assure more excellent effects for broadband speaker
• Hearing protection meeting to the international standard, caring for your health constantly
• Optional for on-line volume switch, excellent effects for mute
• Easily match crystal plug QD cables, 3.5mm double pluc PC cables and USB 2.0 QD cables
• 330º adjustable microphone holder, microphone output automatic gain control to be compatible and matching for different systems
• Adjustable headband, comfortable for having on the headset
• Creative quick disconnection plug, easily for you being away from the telephone while still having on the headset. Liberating your hands and providing free communication with high efficiency

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