Currently the cheapest for this headphone.
Description:
The MDR10RNC model gives you superb noise-cancelling along with great, compact design. Combining digital noise-cancelling software with the Automatic AI (Artificial Intelligence) Noise-cancelling function, perfect for the daily commute or longer trips, when you don’t want to be disturbed by the world.
Product Features
40 mm driver unit
Automatic AI(Artificial Intelligence) Noise Canceling function
Digital Equalizer and full digital S-Master amplifier
Enfolding structure
Included Accessories
X1 MDR10RNC
Headphone Cable (1.2m)
Micro USB Cable (0.5m)
Carry-Pouch
Quick-Start & Reference Guide
User review are mostly positive at Amazon.
WHOA! Automatic Artifical Intelligence, that sounds pootery.