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.