The term "IC:" before the certification/registration number only signifiesthat registration was performed based on a Declaration of Conformityindicating that Industry Canada technical specifications were met. Itdoes not imply that Industry Canada approved the equipment.UL certified travel adapterThe travel adapter for this headset has met UL 1310 safetyrequirements.Please adhere to the following safety instructions per UL guide-lines.FAILURE TO FOLLOW THE INSTRUCTIONS OUTLINED MAY LEAD TOSERIOUS PERSONAL INJURY AND POSSIBLE PROPERTY DAMAGE.IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS.THIS POWER UNIT IS INTENDED TO BE CORRECTLY ORIENTATED IN AVERTICAL OR HORIZONTAL OR FLOOR MOUNT POSITION.