This charging dock allows for extended gaming sessions by enabling you to charge two Wii remotes at the same time. The charging cable connects directly to your Wii for convenient use. Includes two rechargeable 500mAh Ni-Mh battery packs that are compatible with Nintendo Wii remotes. Charge via the USB port on the back of the Wii or from a computer. LED indicator lights show red during charging and blue when fully charged. Available in white. Product is and of high quality.Specifications: Input voltage: DC 5V Output voltage: DC 2.8V Output current: 350mA minimum Battery: 2 x 500mAh Ni-Mh (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 BatteriesNotes: The actual color may vary slightly from the images due to monitor brightness or lighting conditions. This listing includes only one charging dock; Wii remote and other accessories are not included.