OPENRUN HEADPHONES M Racing So hop in the time

So hop in the time machine

An adjustable bungee waist helps tailor the fit while keeping unwanted elements out

Each sock is hand-inspected for quality insurance

52% Polyester / 44% Nylon / 4% Spandex

a built-in barometer provides you with real-time elevation information

OPENRUN HEADPHONES M Racing So hop in the timeOur top selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick charge feature, and a new name. OpenRun is our lightest headphones to date and are engineered with outstanding sound, a long lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. 8th Generation Bone Conduction Technology IP67 Waterproof (Not for swimming) Lightweight + Comfortable 8 Hour Battery Life