Modelh1 materialmetal silica gel plastic typeneckband general usemobile phone cellphone functionbluetooth communicationbluetooth connectorsusb memory capacitynone speaker frequency response20 22000hz driver typeelectrostatic sound channel20 bluetooth versionv41 operating rangem10 talk timehours6 standby time hours200 listing date05312017 production modeexternal procurement headset accessories typeearpad