** General Description** Over the head, monaural headset with extra-large ear caps supplied with ultra noise cancelling microphone & Activegard protection technology. ** Features** The CC 515 is an extremely robust monaural headset with an extra-large ear cap that improves fit & comfort. The perfect headset to maximize work performance Active Gard TM safeguards the user from the effects of an acoustic burst 300° adjustable microphone boom allows the mic to be positioned exactly for optimal speech clarity. Teflon washer support increases positioning accuracy, stability & ensures optimal durability The headband has unique comfort pads & a specially padded, extra-large ear cap, which distribute pressure & ensure remarkable comfort even during extended wearing time Just like a normal telephone, sound is received through one ear, making usage easy to get accustomed to Ultra Noise Cancelling blocks out a maximum of ambient noise, making your voice easier to understand