Bone conduction Bluetooth Ear Phone Headset VONIA EZ 7000 open ear Protect and surport deafness Safety 

* What is Bone conduction

* Feature
 * Safety ( Music and warning sound,anauncement any other outside sound can hear at same time ( open ear ), Hands Free & protect and surpport for deafness 
 * Ergonomics design and fashionable 3 color option 
* Convenient ( Bluetooth,USB charger,Folding type,Long Lithium battery,High quality sound)