Sony IER-Z1R Signature Series in-Ear Headphones (IERZ1R),Black/Silver Mattresses We use modern technology to

We use modern technology to ensure color consistency

Lace: 91% Nylon│9% Spandex

compact remote control and convenient OLED display window make operation a breeze

Superior contrast and brightness are achieved with Full Array LED Backlight and Active Pixel Tuning - all powered by the IQ Active Processor

Sony IER-Z1R Signature Series in-Ear Headphones (IERZ1R),Black/Silver Mattresses We use modern technology toOpen Box Optimized for High Resolution Audio reproduction. Specific uses for product : Music Product Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ears HD hybrid driver system (2 dynamic 1 Balanced Armature) Refined phase structure for