CK5 Sports Earphone Color:red Battery : Requires 3 'AA'

Battery : Requires 3 'AA' batteries

Perforation-free installation: Easy installation without damaging the wall

ENVIRONMENTALLY FRIENDLY: Add a part of environmental protection

so no rashes or irritation

CK5 Sports Earphone Color:red Battery : Requires 3 'AA'FEATURES Smart noise reduction technology Filter out the annoying noise and allow you to enjoy the pure sound. Ergonomic design The shape and structure of the ear are designed by using huge human ear model data, with soft and comfortable silicone earmuffs, allowing you to enjoy the music. Senior beryllium alloys diaphragm Extend the bandwidth; improve the high frequency compliance; reduce the distortion caused by split vibration; better restore the