Age Range: > 8 years old State of Assembly: Ready-to-Go Charging Voltage: 220-250V Power Source: electric Design: Mouse Certification: 3C Package: Not coming with original package Box size: approx. 10x4.5x3.2cm/3.93"x1.77"x1.25" Colors: White or Gray as on pictures Movement: Foward, Backward, Right, Left. Power supply: 3xLR44 Buttons Batteries for a mouse (NOT included) Â Â Â Â Â Â Â Â Â Â Â Â Â 3xLR44 Buttons batteries for transmitter (NOT include)