The lightweight and comfortable AfterShokz Trekz Titanium wireless stereo headphones are the safest alternative to traditional sport headphones. Bone conduction technology, an open ear design and a suite of convenient features deliver premium music play and crystal clear calling without compromise. Designed with athletes in mind, Trekz Titanium are sweat-proof, secure, and will allow you to hear your surroundings - no matter where life takes you. Shop Now: http://www.stereo.com.sg/aftershokz-tre