LED Cork Accent Light fits any Wine Bottle Running time: 2.5-3hours; Charging time: 1 hour. Red charging indicator goes out when fully charged. Contains rechargeable lithium ion battery. Bottle cork light fits most wine bottles, beer bottles, beakers, etc (from 5/8" to 7/8" openings) Dimensions: 1" wide cork, 2.36" Tall, Tip is 1/2" wide Charge in any USB charger, laptop or other device with USB output.