Fully connected mobility with no compromises Premium sound quality DECT™ technology eliminates Wi-Fi network interference and provides high quality audio and up to 300 feet (90 metres) wireless range Advanced wideband audio using *CAT-iq technology for high definition voice quality Noise-cancelling microphone filters out background noise Digital signal processing technology for outstanding voice clarity Designed for demanding professionals Call controls, including remote call answer/end with supported softphones Easy on/off with a discreet, over-the-ear wearing style DECT™ USB adapter with 180-degree articulation for optimal positioning and storage Adaptive battery for longer talk time Mute & Volume +/-