The Altec Lansing Rumble headphones, featuring extra bass boost technology to make you feel like you’re live at the concert! With Bluetooth technology don’t worry about getting tangled in wires while you listen to music at home or on the go. Designed with comfort in mind, these headphones are built with a custom fit headband that you can adjust to your preference plus 10 hours of playtime for the ultimate long-listening comfort. Featuring "Just Ask" access your Siri and Google voice assistant via Bluetooth through your smartphone to send a text, hear your calendar, ask the weather and more. Added music controls allow you to accept/decline calls, skip, pause and play with ease! Dynamic bass and virtual surround sound make these headphones sure to please.