Shokz [shokz.com] has *OpenRun Open-Ear Waterproof Bone Conduction Headphones* for $129.95 - $64.97 with code OPENRUNGREY = *$64.98*. *Shipping is free. *
Brief · Source report
SHOKZ OpenRun Bone Conduction Open-Ear Bluetooth Sport Headphones $65 + Free S&H
