These are premium 4 Month old SONY WH-1000XM6 Headphones over-ear wireless noise-cancelling weighing about 254 g, built for high-resolution audio, long battery life and flexible wired or Bluetooth use.
30 mm neodymium drivers with a wide 4 Hz to 40 kHz frequency response
Bluetooth 5.3 with SBC, AAC, LDAC and LC3 support
Adaptive Noise Cancelling with atmospheric-pressure optimisation
Ambient Sound, Auto Ambient Sound and Quick Attention modes
DSEE Extreme for enhancing compressed audio
Multipoint connectivity for connecting to more than one device
Up to 30 hours of music with noise cancelling on, or 40 hours with it off
Around 3.5 hours for a full USB charge
Built-in omnidirectional MEMS microphone for calls
Can also operate passively using the detachable 1.2 m headphone cable
Bluetooth range of approximately 10 metres
Over-ear, closed-back design
In short: a high-end, travel-friendly wireless headphone designed around strong noise cancellation, hi-res sound, long battery life and seamless switching between devices.