Industry Leading Acoustic Noise CancellingWireless Connectivity via Bluetooth & NFCNow with Google Assistant Built-InUp 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 Accessories:USB Charging CableAudio Cable for Wired ConnectionCarrying CaseColour: SilverH180 x W170 x D81 mm