- 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 online volume switch, excellent effects for mute
- Easily match crystal plug QD cables, 3.5mm double pluc PC cables and USB 2.0 QD cables
- 330? 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 proficiency.