To charge your Mood Sphere, plug the adapter into both your wall & the white disc provided, then set your Mood Sphere on top of disc this is your charging dock. Once Floating Ball has charged for at least 6 hours, it is good to go, remove from dock & place LED Ball wherever floats your boat. Use remote control to change its color. Dimensions Diameter 10.0 in. LED Colors Multicolor Mood Sphere Centerpiece 10 Inch comes ready to use, includes a charger & does not take store bought batteries. Packaging Individually wrapped, poly bag 2 per carton.