User Manual
* Available on USB variants
** EU Noise at Work Directive (Directive 2003/10/EC)
*** Available on the USB CTRL II and USB MS II variants
Unique robust design
– crafted with look
and feel in mind
Numbered headband
grooves for step-by-step
adjustment for perfect fit
Noise-cancelling microphone
– filters out ambient noise
for optimum speech clarity
Bendable boom arm
– ensures optimal micro-
phone position
CircleFlex® dual-hinge ear cup
system adapts seamlessly to
your ear for perfect fit
Switchable Noise at Work limiter*
– in compliance with EU Noise at
Work legislation**