Noise-canceling Boom Design: The 270-degree rotatable boom mic ensures precise positioning and optimal noise cancellation, staying clear of the customer service representative's peripheral vision while helping ensure that customers hear every word. Also, you can wear it on the left or right ear as you like | All-day Comfort: Mpow Skype Headset provides the customer service representative with an ultra-lightweight fit. Made from artificial leather ear cushions, leather Headband, It's high-end and comfortable enough to wear all day, on your longest calls, especially for Telephone-intensive users, including formal customer care centers, help desks, telesales, and customer service organizations | Wide Compatibility: It's great being able to use one device for PC-based audio/video conferencing, as well as mobile device through the 3.5mm audio jack.Compatible with Windows 2000/7/8/10/XP/Vista, Mac OS X, iOS, Android, Tablet PC. Note: Please choose USB connection if you wanna mute function | Hear Yourselves: This USB PC Headphones support listening to your own voice. Please do as the follow steps on windows: Control Panel--Sound--Recording--Microphone--Listen--Listen to this device--Playback through this device--Speaker | Bring Office Quality to Your Home: Used for Rosetta Stone,MS Teams,Skype, Zoom, Webex on your laptop for work or for conference calls routed through a cell phone. Please adjust your computer or cell phone's volume when you still can't hear clearly even you've reached the highest volume on our cell phone headset