... canceling Digital Sound Comfortable computer earphone, microphone headset ,VOIP headphone , Volume Contol, Mic/SpK mute fuctions combination ... compatibility to PC and MacDigital Audio/Sound Quality, Ideal for VOIP,Music & Gaming. Flexible high quality noise canceling microphone ... background noiseLightweight & Rebust Design, durable and comfortable for all day useHearing on both side and microphone can ...