Industry leading acoustic noise cancellingwireless connectivity via bluetooth nfcup to 20 hours of wireless listeningup to 40 hours for wired listeningbose connect app available for apple androidbuilt in dual microphone allows you to make callslightweight durablesupplied accessoriesairline adapteraudio cable for wired connectionusb cablecarrying casecolour silverh180 x w170 x d81 mm