With the Oura Ring 5 Charging Case, you'll never run out of energy. With a charging time of up to one month, you'll be ready for whatever life throws at you. The slim, compact design fits easily into a pocket, sports bag or handbag. It goes with you everywhere and helps you get the most complete picture of your health by eliminating gaps in your data. The USB-C cable is not included in the packaging. The charging case is only compatible with the Oura Ring 5 models and is size dependent.