Samsung WEP650 - Manual (Page 18)

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UL certified charger
The charger for this headset has met UL 1310 safety requirements.
Please adhere to the following safety instructions per UL guide-lines.
FAILURE TO FOLLOW THE INSTRUCTIONS OUTLINED MAY LEAD TO
SERIOUS PERSONAL INJURY AND POSSIBLE PROPERTY DAMAGE.
IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS.
THIS POWER UNIT IS INTENDED TO BE CORRECTLY ORIENTATED IN A
VERTICAL OR HORIZONTAL OR FLOOR MOUNT POSITION.