Power & switch: On and off by the button on the extension wire or case.
Year of release: 2017 (new)
*There is two types of battery case, which is packed and shipped randomly. #1 battery case without extension wire, switch on it. #2 battery case with switch extension wire that can be hold on hand 4.5V (low voltage) electricity which is not harmful. Battery case is attached to the wings via the wire. Button on the case or extension wire can turn the wings on and off during your performance. This can be placed inside or outside of the sleeve for the sticks.
Extremely high demand: Expect 2-4 weeks for items to arrive (to be safe)