The Insta360 Ace Pro Mic Adapter can be connected to your Ace Pro to allow you to simultaneously charge the camera while using an external microphone. This adapter features a USB Type-C port and a 3.5mm audio port. Insta360 Ace Pro Mic Adapter The Insta360 Ace Pro Mic Adapter can be connected to your Ace Pro to allow you to simultaneously charge the camera while using an external microphone. This adapter features a USB Type-C port and a 3.5mm audio port. Key Features: Simultaneously Charge Connect External Mic Type-C Port 3.5mm Audio Port Secure Attachment Whats in the box? Insta360 Ace pro Mic Adapter x 1