Sony WH-1000XM4 Specs
Headphone
Earpiece Design    Over-Ear (Circumaural), Closed-Back
Earpiece Swivel    Yes
Earpiece Connection / Wearing Style    Headband
Foldable    Yes
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    Yes
Controls/Microphone Location    Controls: Earpiece (Side Unspecified)
Microphone: Earpiece (Side Unspecified)
Full Remote 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    No
Type    MEMS
Noise Canceling    Not Specified by Manufacturer
Wireless Connectivity
Supported Audio Codecs    AAC, LDAC, SBC
Bluetooth    5.0
Wireless Range    30' / 9.1 m
Frequency    Bluetooth: 2.4 GHz (2400 to 2483.5 MHz)
Multipoint Support    Yes
Maximum Paired Devices    2
NFC    Yes
Encryption    None
Wired Connectivity
Audio Connector to Source    1 x 1/8" / 3.5 mm TRS Male Right-Angled
Audio 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)
Quick 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
Physical
Color    Silver
LED Indicator    Yes
Material of Construction    Foam, Plastic
Weight    9 oz / 254 g
Packaging Info
Package Weight    1.71 lb
Box Dimensions (LxWxH)    8.8 x 7.2 x 3.1"