Bone Conduction Sports Bluetooth Headphone Waterproof Noise Reduction Earphone Running Exercise Headset Music Player BL13, Black

Healthier without ears: Non ear wearing , open ears avoid thecochlea for a long time ,be stimulated by the high pitch , keep healthy hearing It's safer to wear and travel :No need to enter ears , both ears are open , can always pay attention to the surrounding environment safer to use More comfortable to wear :use without ears, both ears comfortable without feeling , able to relax wear all days . Bluetooth 5.0 links are more stable : using the new upgrade bluetooth 5.0 chip , the link signal are more stable , Effectively reduce lag and faster transmission As light as a swallow lomng wearing without burden : lightweight body design , long- term wear does not hurt , how young can be restrained exercise whatever you want.syi