Obecome Rechargeable USB Powered LED Bottle Cork Light for Party - 2 Packs Fits most any bottle wine bottles and spirit. Rechargeable light for your empty wine bottles, use different colors/shapes of bottles for different effects. Charge in any USB charger, laptop or other device with USB output. Fits openings as narrow as 1/2 inch and as large as 1 inch. Don't throw out your empties, transform your bottles into lamps with this rechargeable light.