This Is a Faxite Type-C to Type-C 3.5mm Aux Headset Adapter.

Allows simultaneous audio playback and charging. Features a built-in DAC (Digital-to-Analog Converter) chip for high-fidelity, lossless sound quality. Supports fast charging, with some similar models supporting up to 60W Power Delivery. Enables use of headphones with a 3.5mm audio jack on USB-C devices that lack the port. Supports remote functions, in-line control, and calls with headphones.