PSB M4U 8 MKII Wireless Bluetooth® over-ear headphones with active noise cancellation

Product highlights:

over-ear headphones with closed back design to help block out noise
40mm drivers offer detailed sound with low distortion
personal sound calibration by Audiodo™ in the PSB Headphones app
Bluetooth connectivity for wireless music listening and phone calls
- aptX® HD and AAC decoding provides high-quality music streaming from compatible devices
- advanced Bluetooth chipset provides strong, reliable wireless connection
- RoomFeel™ tuning helps recreate the sound of PSB speakers in a listening room

noise-canceling circuitry minimizes external sounds
- four built-in noise-canceling mics
Transparency Mode lets you hear external sounds at the push of a button
built-in rechargeable battery
- 18 hours wireless use with noise cancellation
- 25 hours in wireless "active" mode without noise canceling
- "passive mode" requires no battery for wired listening without noise cancellation

earcup controls let you answer calls, play/pause music, and skip songs
- built-in microphone for receiving calls
flexible spring-steel headband creates a firm, secure seal
gyro-suspended earcup design for an ergonomic fit that conforms to your head
- oval-shaped leatherette ear pads provide soft cushioning
includes detachable miniplug cable for optional wired listening
- 1/4" adapter included
- airline adapter included
USB charging cable can also be used for wired listening on a computer
carrying case included
frequency response: 20-20,000 Hz
impedance: 32 ohms (wired)
weight: 12 ounces