This is an authentic Official Nintendo Wii Balance Board (Model RVL-021) complete with its original retail box and a set of 4 carpet extension feet risers. Utilizing pressure sensors to track weight distribution and center of balance, this peripheral is compatible with a wide range of Wii and Wii U titles including Wii Fit, Wii Fit Plus, EA Sports Active, and Shaun White Snowboarding. 

Condition & Details
Condition: Pre-owned / Fully Tested & Functional. 
Balance Board: The top surface is clean with minor cosmetic scuffs from normal use. Battery compartment terminals are clean and free of corrosion. Sync button and power switch work properly. 
Carpet Feet & Box: Includes all 4 original clip-on extension risers for use on carpeted surfaces. Outer retail box is structurally intact with handle present and typical edge wear. 

Key Features & Technical Specifications
Precision Weight & Balance Sensors: Four built-in strain gauge sensors measure weight and calculate body mass index (BMI) and center of balance. 
High Weight Capacity: Supports up to 330 lbs (150 kg). 
Wireless Bluetooth Sync: Connects wirelessly to any standard Nintendo Wii or Wii U console.