Wii Fit 3 in 1 Starter Kit Kit includes: Wii Balance Board mat Li-Ion battery pack Silicone sleeve for Wii Balance Board Balance Board Mat/ Soft/ Plastic/ Non-SlipMat Lithium Ion Battery Pack Compatible with Wii Fit Balance Board 500 MA Charging Current/ 5V Charging Voltage/ 700mAh 1.5hs Capacity Auto Cut Off When Completely Charged Preventing Overcharging and Overheating Silicone Sleeve for Wii Balance Board/ Elastic mold for perfect fit