The Jabra Evolve2 40 UC Stereo is a corded headset with professional grade noise-canceling technology. Its new and improved busylight is more visible than ever, allowing you to be seen from every angle, for even fewer interruptions. Evolve2 40 features an advanced digital chipset and three strategically placed professional microphones. Memory foam oval ear cushions and pioneering new angled design give you passive noise cancellation like you’ve never experienced.Evolve2 40 UC Stereo Features:Stereo Headset Made For Voice & MusicOptimized for Unified CommunicationPassive Noise Cancellation w/ Memory Foam Oval Ear Cushions3-Microphone Call Technology- For Outstanding Call PerformancePowerful 40mm Speakers- Deliver Richer Sound For More Immersive Audio Experience360° Busylight on EarcupUSB-A or USB-C ConnectivityBoom Arm Mute & Answer CallCall Management- Answer / Reject Calls- Increase / Decrease Speaker Volume- MuteNoise Isolation DesignSmart SensorConnects to PC & Mobile DevicesOn Ear Wearing StyleEasy Charging & Docking