About this item [Stable Magnetic Charging Port]: Gold plated pins and built-in magnets ensure stable charging for your headphones. The charger adapter easily snaps into place and fits closely with the charging port, ensuring continuous and stable charging. [Universal Compatibility]: The USB C adapter is compatible with various models, allowing you to charge your headphones with a USB C cable (USB C cable not included). [Compact and Portable]: With this magnetic adapter, you can use your USB C cable to charge your bone conduction earphones. There is no need to prepare multiple cables. It is easier to carry with you, whether placed at home, in the car, in the office, or in a backpack. [Multiple Protection & Safety Charging]: Built-in smart chip protects your device from over-voltage and over-current damage while charging. The smart chip with auto-technology protection ensures safe charging. [Multiple-Pack for More Convenience]: We provide multiple 2-pack USB C Charging Cable Adapters (1