Etymotic ER3 SE/XR Noise-Isolating Earphones (Open Box) Model:ER3XR Extended Response User Guide and Warranty Card

User Guide and Warranty Card

USB-C to male USB-A adapter

The Spirit Classic has a detachable cable system

Personalized screensaver

Designed for gaming environments

Etymotic ER3 SE/XR Noise-Isolating Earphones (Open Box) Model:ER3XR Extended Response User Guide and Warranty CardER3SE XR Earphones Quick Overview In ear Invented here: The ER3SE Studio Edition provides a high level of sensitivity, making it a perfect match for the portable media players on the market today. The ER3SE offers audio professional grade sound reproduction at an affordable price. The ER3XR Extended Response offers a modest bass boost, building on the sound quality of the ER3SE, while providing a slight bass boost for those listeners that prefer a