- black metallic
Built for adventure, the Jaybird X4 Earphones With Microphone is your trailblazing partner. It has an IPX7 waterproof and sweatproof construction for reliable performance in the worst weather and workout conditions. Route the cable over the ear for a secure, stable fit during your workout, then switch to the under-ear position for casual listening. Interchangeable silicone fins and Comply Ultra? memory foam tips provide a customizable fit for each ear. Its built-in, rechargeable 8-hour battery provides an hour of playtime on a 10-minute charge.