Use 5v supply, mobile phone charger, or bank, or computer USB interface to supply .Speeds can be adjusted at will, Click within a fixed time or click randomly.The clicker has its own digital display function, and the click speed is clearly displayed in numbers.460S increases the number of clicks and the function of forward and reverse clicks.Applicable to all kinds of physical keyboards, laptop or PC keyboards, mice (need to fix mouse, and fixed clicker). other physical buttons etc.Colour:random color , dont accept the specified colorNote: Black and white are shipped randomlytype:460SMaterial:Plastic + MetalPackage Contents:1 x Computer Keyboard Clicker1 x USB cable (cable color is random,dont accept the specified color)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.