AfterShokz Trekz Titanium Wireless Bone Conduction Headphones Bluetooth Sweatproof Earphones with Mic for Sports (Normal Size, Grey)

AfterShokz Trekz Titanium Wireless Bone-Conducting Headphones. Lightweight and comfortable Trekz Titanium wireless stereo headphones are the smart alternative to traditional in-ear sport headphones and earbuds because they let you keep your ears open so you can hear surrounding sounds. Bone conduction technology, an open ear design and a suite of audio features deliver premium music play and cr...