Package Contains:This charging dock is compatible with Wii and Wii U remote controllers. Package inculded: 1x 4-in-1 charger base, 4x 2800mAh rechargeable batteries,1x 4.1 inch USB cable,1x Plug. (remote control is not included)LED Charging Indicator: LED indicators on the Wii controller charging station make it easy to monitor the charging process. Red means it's charging and blue means it's fully charged. Once properly plugged in and the switch is turned on, the device will begin charging and when fully charged, the power-off feature prevents the battery from being overcharged.High Capacity Rechargeable Batteries: This 4 in 1 charging station for Wii & Wii U remote controller features four 2800mAhNo need to replace regular batteries. Save and be environmentally friendly with our rechargeable batteries.Easy to Storage: Our Wii remote charger is extremely lightweight, easy to move around, has a relatively small footprint, and can be easily stored when not in use.4 Charging Port Design: Our Wii remote battery charger has 4 charging ports with a DC 5V power input and can hold up to 4 Wii/Wii U remotes at a time. It also comes with a USB power cord for charging from Wii consoles, computers, TVs with USB ports, or wall outlet plugs.