AfterShokz Titanium Open Ear Wireless Bone Conduction Headphones, Black, AS600BK, 2.3

BONE CONDUCTION TECHNOLOGY – Our bone conduction technology and Open Fit design delivers music through your cheekbones, ensuring your ears remain completely open to ambient sounds for maximum situational awareness during long-term wear.
Bluetooth connectivity – modern wireless headphones with Bluetooth V4. 1 connectivity and convenient multipoint pairing compatible with your iOS and Android Bluetooth-ready smartphones or tablets and Mac and PC computers and laptops.