Product code: 365992 Shokz bone conduction headphonessit outside your ears and let you hear everything around you. So no more looking over your shoulder the whole run. Plus, it's bye bye to fiddling with buds - the ear hooks and wraparound titanium framegive you rock-solid stability. For easy access, all your volume and function controls are built-in too. Good to know -IP55 ratedresistance against dust, sweat and drizzle means Shokz can keep up with you indoors or outdoors - You'll get great stereo sound and thevocal boost makes it perfect for podcasts - Up to 6 hours of battery life is more than enough for any marathon goal - Bone conduction headphones are easy to keep clean since there's no icky ear wax - So you can hear traffic and emergency vehicles, someracesonly permit bone conduction headphones