The jabra evolve 65 uc mono is a professional headset designed mainly to improve conversations premium noise cancelling microphone eliminates background noise so your voice can be heard more clearly wireless bluetooth technology gives you up to 30 meters 100 feet of hands free connectivity to pc smartphone and tablet up to 10 hours battery life eliminates battery concerns simply tap to connect devices with nfc dual connectivity enables you to connect your headset to your pc and one ot