• Premium noise-cancelling performance via Sony’s HD Noise Cancelling Processor + Integrated Processor V2.  
• High-resolution sound with rich clarity and deep bass, thanks to the advanced “Dynamic Driver X.”  
• Comfortable fit and passive isolation with Noise Isolation Earbud Tips 
• Multi-device connectivity: you can connect the earbuds to two devices at once for seamless switching.  
• Long battery life: ~8 hours in the earbuds + ~24 hours with the charging case (as per original Sony specs).