Use These Amazing Novelty Lights To Turn Any Empty Wine Or Spirit Bottle Into A Romantic Mood Light!The more ornate the bottle, the better! Watch the light refract in a kaleidoscope of beauty.The Cork Light is simple to charge and simple to use. Simply remove the cork to expose the USB plug for charging. To turn on and off, just twist the external light. The built-in USB charging plug allows you to charge in 50 minutes with no moving parts.