AmazonBasics B07348JQ3L is a charging station for Nintendo Switch Joy-con controllers. It can charge up to 4 controllers simultaneously, making it a convenient way to keep your controllers powered up and ready to play. The charging station features LED indicators that show the charging status of each controller, so you can easily see when they're fully charged and ready to go. The charging station is powered by a USB-A port, so you can use it with any USB-A power source, such as a wall outlet or a computer.