Rail - Skullcandy's premium true wireless in-ear headphones with Skullcandy Supreme Sound, a compact, ergonomic design and Skull-iQ Smart Feature Technology. With them, you'll experience premium sound and cutting-edge technology. Skull-iQ Smart Feature Technology is a powerful technology that allows wireless upgrades via the Skull-iQ app. It also offers innovative voice control features in multiple languages. Skullcandy specialises in premium sound. The Rail comes with carefully selected and tuned drivers, two Clear Voice Smart Mics that use AI to filter out the spoken word and block out background noise. With Personal Sound by Mimi, you can also tailor the sound profile to your individual hearing via the Skullcandy app. The capacitive touch control on each earphone makes it easy and intuitive to use. With the Skull-iQ app, you can configure your earphones exactly the way you want them.