The 'bone conduction' principle is applied to handsfree devices for helmets that are wirelessly interlinked with smartphones for telephone calls and music listening.
Safety is ensured since the user can still hear ambient sounds.
|Power Input||DC 5V 2.0A||Operating Hours||8 hr|
|Battery||3.7V Li-Polymer Battery||Temperature||5~40 ℃|
Certification : KC, CE, FCC