does it plug into? It doesn’t look like any of my other apple products or any other chargeable device I have

If you have the USB-C cable and no USB-C devices (chargers, laptop, etc.) to connect it to, you can also get the Apple Watch USB-A charger cable which uses the older USB-A port that you likely have a charger for:

Apple Watch Magnetic Charging Cable (1 m) - Apple

Any USB-C power adapter or computer with a USB-C port. If you don't have any, one option is Buy 20W USB-C Power Adapter - Apple