The over-ear design; with adjustable headband; means this EXTRA BASS headphone with Noise Cancelling can be worn comfortably for hours and is perfect for both music and calls. Exceptional battery-life; touch-controls; Quick Attention Mode; Multipoint pairing and feature packed companion app make this headphone a great choice. - EXTRA BASS Bluetooth headphones with Digital Noise Cancelling - Sony | Headphones Connect App; for setup; EQ and NC settings - 40mm EXTRA BASS driver delivers clear audio and deep bass - Quick Attention Mode and responsive touch-controls - Multipoint –connect to two Bluetooth devices simultaneously - Voice assistant compatible; including Google Assistant; Alexa and Siri - Can be used with supplied headphone cable; for inflight entertainment - LDAC high-quality Bluetooth; when used with supported phones - Up to 30 hours battery life; with easy USB Type-C™ charging - Quick-charge; 10mins charge gives approx. 4.5 hours of music playback What's in the Box: - USB Type-C cable; for charging - Headphone cable (1.2m); Hard Case - Quick-start and reference guide