Whenever you use USB, it will remind you of beautiful ocean.It might help soothing you when you feel stress! You can choose no rhinestones($22) or with rhinestones($29). ※Decoration will be on these plane plug. USA/CND/JPN plug is a little bigger than from main photo. ※Input:AC100-240V / (USA/CND/JPN)50/60Hz 0.5A / (AUS/NZ)50/60Hz 0.15A ※Output:(USA/CND/JPN)DC 5V=3100mA / AUS/NZ) 5V=1A