Riiflex 2lb. Dumbbells for Wii Adds 2lb. of resistance to your Wii workout Allows full functionality of Wiimotes Compatible with Wii Motion Plus and many aftermarket Wiimotes Durable, gym-quality construction Try it with Wii Fit Plus, EA Sports Active, Fitness Ultimatum, Golds Gym Cardio, Your Shape, My Fitness Coach, and more!