JLab seeks to up the game with every new generation of the best-selling JBuds line, and the J4 Rugged Metal Earbuds Style Headphones are no exception. Building on the sleek style, premium sound, and maximum comfort of the bestselling JBuds J3 earbuds, we gave the new JBuds J4's a flexible exoskeleton armor over all components for extreme durability and a hot new rugged look. These cans are built to last!The J4 ear buds also feature a rock solid, heavy duty aluminum housing, tangle-free flat cables with kevlar reinforcement, eye candy 3D logo details, and an extra tough EVA carrying case with room for your J4's and an iPod nano or shuffle.