Dual Mode Bone Conduction Ear Phone ATOBONE AT 111 open ear Protect and surport deafness Safety 3D Sound 2016 New








* Product spec
 Model : ATWOBONE
Impedence: 10 ohm 
Sensitivity:  90 dB
                     Air conduction 125 dB
                     Bone conduction 120 dB
Allowable input: 80 mW +/- 4 mW
Driver : 13 mm
Reactive: 4 -24,000 Hz
Color : Gold & Silver 
Origin: South korea
* Componant: