NOISE-CANCELING BOOM MIC 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: USB and 3. 5 mm connectivity options let you work on a variety of devices. Compatible with Windows 2000/7/8/10/XP/Vista, Mac OS X, iOS, Android, Tablet PC. Note: Please choose a USB connection if you wanna mute the function. HEAR YOURSELVES: This USB PC HEADPHONES support listening to your own voice. Please do the following steps on Windows: Control Panel--Sound--Recording--Microphone--Listen--Listen to this device--Playback through this device--Speaker. (27)