Overview
This STARTRC metal Magnetic Adapter Base is a quick-mount folding expansion bracket for the DJI Osmo Action series, compatible with DJI Osmo Action 4 and Action 3. It integrates a snap-on magnetic suction design with side press buckles for fast, secure attachment. The aluminum construction with silicone contact pads helps prevent scratches, and the dual-interface base provides both GoPro-style prongs and a central 1/4 inch screw port to match common mounts and accessories.
Key Features
- Snap-on magnetic suction integrated design for stable, quick assembly.
- Aluminum build; smooth surface; rust and drop resistant; silicone pads protect the camera and buckle.
- Folding expansion base with dual interfaces: GoPro-style prongs and a 1/4 inch screw port.
- Two side press buckles for easy, fast loading and unloading.
- Compact and lightweight; net weight 31g. Black body with orange side buckles for easy recognition.
Specifications
| Brand Name | STARTRC |
| Product Type | Magnetic Adapter Base |
| Name | Magnetic Adapter |
| Bundle | Bundle 2 |
| Compatible Action Camera Brand | DJI |
| Compatibility | DJI Osmo Action 4, Action 3 |
| Model Number | dji action 5 pro |
| Material | aluminum |
| Color | Black and Orange |
| Size | 42*21*18.6mm |
| Net Weight | 31g |
| Interfaces | GoPro-style folding port; 1/4 inch screw port |
| Origin | Mainland China |
| Hign-concerned Chemical | None |
| Type | Action Camera Accessories Kits |
What’s Included
- Expansion base adapter
Note: camera and other accessories shown are not included.
Applications
- Mount DJI Osmo Action 4/3 to GoPro-style brackets, clamps, or extension arms.
- Use the 1/4 inch screw port with tripods, selfie sticks, and other standard mounts.
- Suitable for setups such as backpack-strap clips and handlebar clamps (when used with compatible mounts).
Details

Osmo Action 4 Mount with tripod, accessories, and packaging; camera not included.

Osmo Action 4 mount with STARIRC clamp and adjustable bracket; camera sold separately.

Osmo Action 4 mount with handlebar clamp and adjustable bracket; camera sold separately. (18 words)








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