It’s Adjustable headband this sturdy yet lightweight stereo headset has a broad range of adjustment. ultra-soft foam ear cushions provide hours of comfort. rotating microphone the boom mic can rotate 180° to be worn on the left or right and tucked out of the way when you’re not using it. the flexible mic can be positioned for better voice capture. frequency response (microphone): 100hz - 16khz noise cancelling microphone :it features a noise cancelling microphone that eliminates background noise and rotates out of the way when you are not using it. stereo sound: enjoy clear audio for music, games and calls. the h110 headphones are a reliable option for daily tasks, including video calls with family or colleagues 3.5mm audio jack connection :