The Altec Lansing Evolution 2 Bluetooth Headphones are packed with incredible features. Easily navigate through any playlist with song navigation and telephony buttons. You’ll want to keep these cushioned headphones on all day - 40MM neodymium drivers deliver powerful crisp sound. Never miss a beat with "Just Ask" allowing you to access Siri and Google Asisstant via Bluetooth through your smartphone directly to your headphones. With up to 12 hours of battery life and soft cushion headband and ear cups, listen to music for hours upon end. If the music runs dry, the included aux in cable will keep the beats going so you don't have to worry.