Wiimote upgrade that expands its functionality with motion sensing.
Alternate name: Wiiモーションプラス
The first video game about Wii MotionPlus was released on June 8, 2009.
New WiiMotes come with the extra set of motion sensors built-in. Older WiiMotes can use a small external pack of the sensors plugged into the base. This pack has a pass-through plug for the Nunchuck, Classic Controller and other such accessories.