ModRetro Koss Porta Collaboration Orange and comfortable portable audio headphones with Pro™ Headphones, – Foldable, lightweight, high-quality sound.

A foldable model created in collaboration between Koss Porta Pro and ModRetro High-quality sound and comfortable fit in a foldable, lightweight design Deep bass and clear mid- and high-range sounds for a realistic sound reproduction Lightweight and adjustable construction for comfort even during extended use Foldable for easy storage and easy to carry when out and about Lightweight design of approximately 60g, compatible with 3.5mm connection, model with dedicated case