Stable and comfortable: The STARTRC chest mount harness is designed with ergonomics in mind, ensuring comfortable wear even during prolonged use. The adjustable straps accommodate a variety of body sizes, providing a secure and stable platform for capturing immersive first-person shots. Universal Compatibility: This harness features a GoPro mounting adapter, making it compatible with a wide range of action cameras including the DJI Osmo Pocket, GoPro Hero series, Insta360, and more. It also includes a 1/4" screw adapter for attaching smartphones. Versatile Applications: Perfect for capturing dynamic images during activities such as cycling, skiing, hiking, and more. The adjustable design allows for a variety of shooting angles, making it ideal for vlogging, action sports, and capturing unique perspectives. Specifications: Color: Black Material: PC+silica gel Size: Length: 24.2cm Width: 20cm Height: 4.2cm Compatible with: DJI Osmo Pocket 3 2 1 Action 4 3, GoPro Max Hero 12 Hero 11 Hero 10 Hero 9 Hero 8 Hero 7 Hero 6 Hero 5 Black Hero 4 3+Fusion Session, Insta360 One R One X2 Go3 Go2 and other portable cameras such as Dragon Touch / APEMAN / Crosstour / XiaoYi / Apexcam / VEMONT / AKAIRIO, etc. The package includes: Neck Mount x 1 GoPro Mount Adapter x 1 M5 screw x 1 GoPro Adapter x 1 Chest strap x 1 User manual x 1