Mad Catz Hedgehog Inductive Charger for Wii and Wii U Officially licensed Sonic the Hedgehog design Limited Edition Individually Numbered Collector's Edition Includes 2 NiMH batteries for rapid charging / Provides up to 15 hours of gameplay Powered by any standard wall outlet - no USB port required SYNC. button pass-through for easy synchronization Officially licensed Sonic the Hedgehog design Limited Edition Individually Numbered Collecter's Edition Includes 2 NiMH batteries for rapid charging / Provides up to 15 hours of gameplay Powered by any standard wall outlet - no USB port required SYNC. button pass-through for easy synchronization