Look at pictures for more details.
Sony WH-XB910N Wireless Review
Sony WH-XB910N EXTRA BASS Noise Cancelling Wireless Headphones, Alexa Voice 27242922723
WH-XB910N Wireless Noise Canceling Headphones
Sony WH-XB910N Wireless Noise Cancelling Headphones, Black
Sony WH-XB910N review: Made for bass heads - SoundGuys
Get even closer to your favorite music with the exceptional bass performance and noise cancellation of the WH-XB910N wireless headphones with EXTRA BASS and Dual Noise Canceling technologiesWith feedforward and feedback mics on each side - WH-XB910N takes digital noise cancelling to the next level.
Sony WH-XB910N Extra Bass Noise-Canceling Wireless Over-Ear Headphones (Black)
Get even closer to your favorite music with the exceptional bass performance and noise cancellation of the WH-XB910N wireless headphones with EXTRA BASS and Dual Noise Canceling technologiesWith feedforward and feedback mics on each side - WH-XB910N takes digital noise cancelling to the next level.
Sony WH-XB910N Extra Bass Noise-Canceling Wireless Over-Ear Headphones (Black)
WH-XB910N Wireless Noise Canceling Headphones
Sony WH-XB910N EXTRA BASS™ Bluetooth® wireless noise-canceling headphones at Crutchfield