Sennheiser - RS 135 RF Over-the-Ear Wireless Headphones - Black
AfterShokz - Titanium Wireless Bone Conduction Open-Ear Headphones - Ivy
Demand more from your headphones with the AfterShokz Titanium headphones. A flexible headband, a six-hour battery life and sweat resistance give you maximum comfort throughout the day, even when you are exercising hard. The open-ear construction lets you hear what's going on around you, ensuring you're always safe when wearing these AfterShokz Titanium headphones.