Billed as the flagship earbuds in Skullcandy's lineup, the Rail ANC are a pair of true-wireless earbuds with adjustable 4-mic active noise canceling (ANC) for a perfect listening experience everywhere. Ideal for commuting, traveling, exercising, and general high-fidelity audio enjoyment, the Rail ANC lets you precisely control your environmental awareness with the Skull-iQ app compatible technology inside.