This charging dock allows you to keep playing games for hours. It enables simultaneous charging of two Wii remotes, with the charging cable connecting directly to your Wii for convenient use. The included rechargeable batteries are designed for long-term performance and are fully compatible with Nintendo Wii remotes. The package includes two fast-recharging 500mAh Ni-Mh battery packs that fit securely in your Wii remote. Charging can be done through the USB port on the back of the Wii or via a computer. An LED indicator light displays red during charging and blue when fully charged. Available in white as shown in pictures. All items are and of high quality. Specifications: Input voltage: DC 5V Output voltage: DC 2.8V Output current: 350mA min Battery: 2 x 500mAh Ni-Mh batteries (included) Dimensions: 5.2 x 2.35 x 1.45 inches (approximately 13.21 x 5.97 x 3.68 cm) Package Contents: 1 x Dual Charging Dock for Wii Remote 1 x USB Charging Cable 2 x Rechargeable Batteries Notes: The actual color of the item may vary slightly from the images shown due to factors such as monitor brightness and lighting conditions. This listing is for one charging dock only; Wii remote and other accessories are not included.