DescriptionSimple to charge and simple to use. Simply remove the cork to expose the USB plug for charging. Whether you're a wine connoisseur or looking to jazz up your back bar bottles, these beautiful reusable corks give just enough pizzazz to any occasion. Our charming Jewel Tops are perfect for setting the mood at wine night, special events, restaurant and home bars and make a wonderful one of a kind gift! Use our liquid proof stopper when there's still some wine left, and our string light stopper for when it's all finished!Feature-Color: As Shown. - Material: ABS+PC. - Size: 7.2 x 3 x 3cm. - Input voltage: DC 5V. - Rated power: 0.1W. - Battery capacity: 120 mAh. - Charging time: about 1 hour. - Relay time: 3-4 hours. - Illuminating Glow: Our multi-color led cork lights display a beautiful color changing light show that looks great against walls and corners. The color changing diamond led wine bottle stopper features colors such as red, yellow, green, blue, white & pink! - Both cork lights can make almost all wine bottles look great, and they feature a clear diamond jewel-top before turning on for a light show! - Rechargeable & Long Lasting Battery Powered Life: Pull off the jewel-top to uncover the usb for charging. Once fully charged, our jewel-top lights can last for 3-4 hours of continuous use. - Fit for apartment or dorm decor for women or college student girls, make perfect additions to Christmas decorations, and can be unique party favors. Decorate your kitchen and bar with them, use as a decorative bedroom night light or interesting desk decor piece, and use them for table centerpieces at bridal or baby showers, weddings, and New Years Eve.