The MA390 Universal in-ear headphones use RHA's signature noise isolating Aerophonic housing design and are built from aluminium for strength and longevity. The remote and mic are compatible with most phones for track, call and digital assistant control. High performance Audio - custom built dynamic driver offers a richly detailed, well balanced sound. Noise isolating design - earbuds are designed to fit comfortably and securely in the ear canal, minimising external noise intrusion for an enhanced listening experience. Unique aerophonic construction - transfers sound naturally, allowing air to progress unobstructed and unforced from the speaker into the ear. Color: Black.