The HA-FR9UC & HA-FR17UC 

• Can be connected to Smartphones, Tablets, PCs equipped with USB Type-C™ terminal.
  - Compliant with USB2.0 or higher.
  - Supporting USB Audio Class 1.0 or higher.
  - Supporting USB Host (OTG) mode.

• Can not guarantee all type devices equipped with USB Type-C™ terminal.

• For some devices, it might not be possible to use some of or all functions depending on the device specifications.  

• For some devices, setup of USB host/OTG function is required.

• Mic and mic mute switch on the remote will only operate the headphones’ mic ON/Off and will not interact with the mic of the connected PC, Smartphone or App.

• For some devices, occasionally the volume becomes maximum at first connection. 
  Adjust the volume before use.