1. No Wifi Connection Is Required, Files Are Instantly Migrated To An External Storage Card, And Storage Capacity Can Be Easily Expanded Anytime And Anywhere. 2. Directly Connect To Your Mobile Phone To Quickly Edit Materials, Greatly Improving The Fluency And Experience Of App Editing. 3. Supports Charging The Single Camera Directly Through The Power Interface Or Power Bank, Without Relying On The Expansion Module. Compatible With Type-C And for interface. 4. In Order To Save Power, It Is Recommended To Use It With A Power Bank/Power Bank When Migrating Files. The Docking Station Can Be Used To Migrate Small Files Or For Temporary Use To Free Up Camera Space. 5. If You Want To Use It With GO 3S, Please Upgrade The Go 3s Firmware Version To V1.3.11. Description: 1. Compatible Models: GO 3S, GO 3 2. Material: Plastic Color: As Shown Package Contents: 1 x Flash Companion Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.