The Smart Ring Charger for Oura Ring Gen 4 Size 9 Silver is a stylish and functional charging dock that specifically designed for the Gen 4 model. Made of plastic in a sleek silver color, it features a magnetic wireless charging standard for convenient and efficient charging. The charger includes a USB-C connectivity option and comes with a charging cable for added convenience. Perfect for keeping your Oura Ring powered up and ready to use, this charger is a practical accessory for any user of the Gen 4 model.