These headphones feature Bose AR, a first-of-its-kind augmented reality audio system that uses motion sensors and location data to tailor your experience. They also feature Bose's signature high-caliber audio via active EQ and full, robust bass, and they pair with the Bose Music app for custom control. Headphone style: Over-ear, with cushioned synthetic protein ear pads and TriPort® acoustic structure to project lifelike sound and reveal musical nuancesIncludes: Headphones, audio cable, USB charging cable, carrying caseWireless connectivity: Compatible with any Bluetooth® deviceSystem compatibility: Compatible with Alexa, Google Assistant and SiriAdditional features: Adjustable noise-cancelling; touch controls; integrated four-microphone system 8" x 6.5" x 2" 8 oz. 20-hour approximate battery life Plastic/metal/rubber/electrical components Bose AR availability and functionality varies Imported Authorized Bose Dealer