The BlueParrott C400-XT is the premium quality convertible choice for road warriors. With a choice of wearing styles over-the-head and two behind-the-neck options (left and right) perfect for those who wear hats. Its large leatherette ear cushion delivers better comfort and sound. The C400-XT also gives you 24+ hours of talk time so you can talk all day. While 96% noise cancelation-combined with its IP54-rated water resistance and cold temperature rating-lets you take calls anywhere. Familiar B450-XT & B350-XT controls include our exclusive Parrott Button that you can set to the function that you choose. And VoiceControl for call answering or ignoring makes the C400-XT truly hands free.,,This wireless headset is perfect for everyday use with compatible electronic devices,Black headset can be worn with two ear buds in a behind-the-neck style,Bluetooth for wireless use,1-year manufacturer limited warranty