Aftershokz Bluez 2S headphones are the only wireless stereo headphones that allow you to tune in to mobile devices for music, calls and other audio without tuning out the world around you.

SAFE Ears are never blocked, providing full awareness while listening to music or making calls.

COMFORTABLE Bone conduction technology delivers stereo sound without nesting anything inside or covering the ears.

CONVENIENT Durably built to make mobile communication and audio entertainment seamless on the go.

Features: 

• Bone conduction technology delivers sound through cheekbones
• OpenFit(TM) design provides unmatched situational awareness and eliminates ear fatigue 
• Nanotechnology coating and watertight rubber gaskets repel sweat and moisture (IP55)
• Six hours of music + calls
• PremiumPitch+(TM) provides a wider dynamic sound range and deeper bass.
• LeakSlayer(TM) significantly reduces natural sound leakage
• EQ presets conveniently boost bass and reduce vibration on the go
• Dual noise cancelling microphones exclude surrounding noise, effectively enhancing speech
• Audrey Says(TM) voice prompts guide users through power, pair, play and talk
• Hassle-free two-year warranty

We think these headphones work very well for running, but also cycling. Awareness of your surroundings while listening to music or calls.

Read our review here