•Designed for business, perfectly balanced between audio quality and power with 32 ohms impedance, large 40 mm speaker drive diameter and efficient 104 dB (+/- 3 dB) sensitivity •Wired (USB-A) connection •Adjustable headband with rotatable boom microphone to suit left of right-handed users. •Dedicated control panel for easy access to audio controls •Over-ear design; Soft Touch Ear Pads for all day comfort •Inline Audio Controls