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 youre cross-training toward your new PR. The open-ear design removes the limitations of traditional swimming headphones and the 4GB memory stores up to 1200 songs allowing you to take Xtrainerz on any adventure; no wires no devices no limits. Not Bluetooth compatible Xtrainerz Wireless Bone Conduction Sport Headphones in Black Diamond by AfterShokz