Aftershokz Xtrainerz Headphones - Black Diamond

Headphones for running, cycling, workouts, and triathlons. Take open-ear listening to new depths with Xtrainerz wireless MP3 headphones. Xtrainerz are an innovative solution for consuming audio in and out of the water while you’re cross-training toward your new PR. The open-ear design removes the limitations of traditional swimming headphones, and the 4GB memory stores up to 1,200 songs, allowing you to take Xtrainerz on any adventure; no wires, no devices, no limits.