Coach Swimming Training Bone Conduction Wireless Sports Headphone Black

Bone conduction earphone and wear outside without plugging into the ear.
IPX8 deep waterproof, suitable for swimming training and other underwater projects.
It supports underwater audio reception and should be used in conjunction with Raywav transmitter.
Titanium alloy skeleton is adopted, and no deformation is caused by arbitrary bending.
Patented clasp design integrates headphone and swimming goggles, making it firm and comfortable to wear, suitable for intense underwater sports.