Headphones

Use your own wireless headphones with wired audio systems. Xtorm says:  The Xtorm AirWave Audio Adapter makes it possible to use your own wireless ear- or headphones in the gym or on the plane. Plug...

Suunto Sonic headphones offer an open-ear, bone-conduction design for outdoor activities, allowing you to hear ambient noise while enjoying music. Despite their lightweight design, they provide good...

Bone-conduction headphones that balance situational awareness, comfort and endurance for extended outings. Suunto says:  Premium bone-conduction headphones with powerbank. Designed for safe...