Description: With buckle design inside, the audio adapter is well stuck on the camera, stable and easy to disassemble. With its small size, the audio adapter is convenient and easy to carry. This audio adapter is used for external 3.5mm microphone and data transmission to improve video sound quality, while supporting battery charging and data transmission. The USB-C transmission port can connect for Insta360 ONE X2, and the bottom is the power transmission port. Made of metal, plastic and flame retardant FR-4 material, the audio adapter is durable. The length of the product is 3cm, the width is 2.9cm, and the thickness is 2.5cm. It is suitable for Insta360 ONE X2 charging audio adapter. Item Name: Audio Adapter Material:Plastic,Metal,Flame Retardant Grade FR-4 Size:3cmx2.9cmx2.5cm/1.18inx1.14inx0.98in Notes: Due to the light and screen setting difference, the product's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Audio Adapter