Sony WH-1000XM4 Wireless Noise-Canceling Headphones Black in London

Design	Over-Ear (Circumaural), Closed-Back
Earpiece Swivel	+
Wearing Style	Headband
Foldable	+
Driver Type	Dynamic
Number of Drivers	1, per Earpiece
Driver Size	1.57" / 40 mm
Diaphragm	Aluminum-Coated
Magnet Type	Neodymium
Voice Coil	Copper-Clad Aluminum Wire
Active Noise Cancellation	+
Microphone and Controls Location	Controls: Earpiece (Side Unspecified) Microphone: Earpiece (Side Unspecified)
OS Support	Android, iOS
Sensors	Proximity, Touch

Performance

Frequency Response	4 Hz to 40 kHz (Wired)
Sensitivity	101 dB at 1 kHz (Passive) 105 dB at 1 kHz (Active)
Storage Capacity	None

Microphone

Number of Mics	5
Beamforming Support	-
Type	MEMS
Noise Canceling	Not Specified

Wireless Connectivity

Audio Codecs	AAC, LDAC, SBC
Bluetooth Profiles	A2DPAVRCPHFPHSP
Bluetooth	5.0
Wireless Range	30' / 9.1 m
Frequency	Bluetooth: 2.4 GHz (2400 to 2483.5 MHz)
Multipoint Support	+
Max. Paired Devices	2
NFC	+
Encryption	None

Wired Connectivity

Connector to Source	1 x 1/8" / 3.5 mm TRS Male Right-Angled
Connector to Earpiece	1 x 1/8" / 3.5 mm Male
Cable Length	3.94' / 1.2 m (1/8" / 3.5 mm)

Battery

Runtime	30 Hours (BT+ANC) 38 Hours (BT) 200 Hours (Standby)
Charging Times	10 Minutes for 5 Hours
Recharge Time	3 Hours
DC Input Power	5 VDC
Wireless Charging	None
Charging Port	USB Type-C
Charging Cable Length	7.87" / 19.99 cm

Others

Color	Black
LED Indicator	+
Construction	Foam, Plastic
Weight	9 oz / 254 g

Packaging

Weight	1.69 lb / 0.77 kg
LxWxH	8.8 x 7.1 x 3"