Cozyfoci&reg; 3pcs Cork Shaped Rechargeable LED Wine Bottle Light for Party - USB Powered Chargingtime:1hour;Runningtime:upto3hours Charges via any USB output or charger Simple - Lighted Wine Bottles with LED wine bottle cork turn on with by twisting cork bottom to off /on position Beautifully simple wine bottle cork with rechargeable LED light creates elegant table top lighting with wine bottle lights Bright LED light - Each lighted wine bottle cork comes with a single bright white LED to create a wine bottle lamp